diff --git a/api-report/genai-node.api.md b/api-report/genai-node.api.md
index d62bb9304..82502880d 100644
--- a/api-report/genai-node.api.md
+++ b/api-report/genai-node.api.md
@@ -948,6 +948,15 @@ export interface EmbedContentParameters {
     model: string;
 }
 
+// @public
+export interface EmbedContentParametersPrivate {
+    config?: EmbedContentConfig;
+    content?: ContentUnion;
+    contents?: ContentListUnion;
+    embeddingApiType?: EmbeddingApiType;
+    model: string;
+}
+
 // @public
 export class EmbedContentResponse {
     embeddings?: ContentEmbedding[];
@@ -955,6 +964,12 @@ export class EmbedContentResponse {
     sdkHttpResponse?: HttpResponse;
 }
 
+// @public
+export enum EmbeddingApiType {
+    EMBED_CONTENT = "EMBED_CONTENT",
+    PREDICT = "PREDICT"
+}
+
 // @public (undocumented)
 export interface EmbeddingsBatchJobSource {
     fileName?: string;
@@ -2520,7 +2535,7 @@ export class Models extends BaseModule {
     countTokens(params: types.CountTokensParameters): Promise<types.CountTokensResponse>;
     delete(params: types.DeleteModelParameters): Promise<types.DeleteModelResponse>;
     editImage: (params: types.EditImageParameters) => Promise<types.EditImageResponse>;
-    embedContent(params: types.EmbedContentParameters): Promise<types.EmbedContentResponse>;
+    embedContent: (params: types.EmbedContentParameters) => Promise<types.EmbedContentResponse>;
     generateContent: (params: types.GenerateContentParameters) => Promise<types.GenerateContentResponse>;
     generateContentStream: (params: types.GenerateContentParameters) => Promise<AsyncGenerator<types.GenerateContentResponse>>;
     generateImages: (params: types.GenerateImagesParameters) => Promise<types.GenerateImagesResponse>;
diff --git a/api-report/genai-web.api.md b/api-report/genai-web.api.md
index d62bb9304..82502880d 100644
--- a/api-report/genai-web.api.md
+++ b/api-report/genai-web.api.md
@@ -948,6 +948,15 @@ export interface EmbedContentParameters {
     model: string;
 }
 
+// @public
+export interface EmbedContentParametersPrivate {
+    config?: EmbedContentConfig;
+    content?: ContentUnion;
+    contents?: ContentListUnion;
+    embeddingApiType?: EmbeddingApiType;
+    model: string;
+}
+
 // @public
 export class EmbedContentResponse {
     embeddings?: ContentEmbedding[];
@@ -955,6 +964,12 @@ export class EmbedContentResponse {
     sdkHttpResponse?: HttpResponse;
 }
 
+// @public
+export enum EmbeddingApiType {
+    EMBED_CONTENT = "EMBED_CONTENT",
+    PREDICT = "PREDICT"
+}
+
 // @public (undocumented)
 export interface EmbeddingsBatchJobSource {
     fileName?: string;
@@ -2520,7 +2535,7 @@ export class Models extends BaseModule {
     countTokens(params: types.CountTokensParameters): Promise<types.CountTokensResponse>;
     delete(params: types.DeleteModelParameters): Promise<types.DeleteModelResponse>;
     editImage: (params: types.EditImageParameters) => Promise<types.EditImageResponse>;
-    embedContent(params: types.EmbedContentParameters): Promise<types.EmbedContentResponse>;
+    embedContent: (params: types.EmbedContentParameters) => Promise<types.EmbedContentResponse>;
     generateContent: (params: types.GenerateContentParameters) => Promise<types.GenerateContentResponse>;
     generateContentStream: (params: types.GenerateContentParameters) => Promise<AsyncGenerator<types.GenerateContentResponse>>;
     generateImages: (params: types.GenerateImagesParameters) => Promise<types.GenerateImagesResponse>;
diff --git a/api-report/genai.api.md b/api-report/genai.api.md
index d62bb9304..82502880d 100644
--- a/api-report/genai.api.md
+++ b/api-report/genai.api.md
@@ -948,6 +948,15 @@ export interface EmbedContentParameters {
     model: string;
 }
 
+// @public
+export interface EmbedContentParametersPrivate {
+    config?: EmbedContentConfig;
+    content?: ContentUnion;
+    contents?: ContentListUnion;
+    embeddingApiType?: EmbeddingApiType;
+    model: string;
+}
+
 // @public
 export class EmbedContentResponse {
     embeddings?: ContentEmbedding[];
@@ -955,6 +964,12 @@ export class EmbedContentResponse {
     sdkHttpResponse?: HttpResponse;
 }
 
+// @public
+export enum EmbeddingApiType {
+    EMBED_CONTENT = "EMBED_CONTENT",
+    PREDICT = "PREDICT"
+}
+
 // @public (undocumented)
 export interface EmbeddingsBatchJobSource {
     fileName?: string;
@@ -2520,7 +2535,7 @@ export class Models extends BaseModule {
     countTokens(params: types.CountTokensParameters): Promise<types.CountTokensResponse>;
     delete(params: types.DeleteModelParameters): Promise<types.DeleteModelResponse>;
     editImage: (params: types.EditImageParameters) => Promise<types.EditImageResponse>;
-    embedContent(params: types.EmbedContentParameters): Promise<types.EmbedContentResponse>;
+    embedContent: (params: types.EmbedContentParameters) => Promise<types.EmbedContentResponse>;
     generateContent: (params: types.GenerateContentParameters) => Promise<types.GenerateContentResponse>;
     generateContentStream: (params: types.GenerateContentParameters) => Promise<AsyncGenerator<types.GenerateContentResponse>>;
     generateImages: (params: types.GenerateImagesParameters) => Promise<types.GenerateImagesResponse>;
diff --git a/sdk-samples/embed_content.ts b/sdk-samples/embed_content.ts
index 61a7a2cd3..d79a894f9 100644
--- a/sdk-samples/embed_content.ts
+++ b/sdk-samples/embed_content.ts
@@ -28,12 +28,31 @@ async function embedContentFromVertexAI() {
     location: GOOGLE_CLOUD_LOCATION,
   });
 
-  const response = await ai.models.embedContent({
+  const textResponse = await ai.models.embedContent({
     model: 'text-embedding-004',
     contents: 'Hello world!',
   });
 
-  console.debug(JSON.stringify(response));
+  const multimodalResponse = await ai.models.embedContent({
+    model: 'gemini-embedding-2-exp-11-2025',
+    contents: [
+      {
+        parts: [
+          {text: 'Similar things to the following image:'},
+          {
+            fileData: {
+              mimeType: 'image/png',
+              fileUri:
+                'gs://cloud-samples-data/generative-ai/image/a-man-and-a-dog.png',
+            },
+          },
+        ],
+      },
+    ],
+  });
+
+  console.debug(JSON.stringify(textResponse));
+  console.debug(JSON.stringify(multimodalResponse));
 }
 
 async function main() {
diff --git a/src/_transformers.ts b/src/_transformers.ts
index 5f1ab95de..b910f481f 100644
--- a/src/_transformers.ts
+++ b/src/_transformers.ts
@@ -983,3 +983,10 @@ export function tJobState(state: unknown): string {
     return stateString;
   }
 }
+
+export function tIsVertexEmbedContentModel(model: string): boolean {
+  return (
+    (model.includes('gemini') && model !== 'gemini-embedding-001') ||
+    model.includes('maas')
+  );
+}
diff --git a/src/converters/_models_converters.ts b/src/converters/_models_converters.ts
index 6dc016905..a3b111fba 100644
--- a/src/converters/_models_converters.ts
+++ b/src/converters/_models_converters.ts
@@ -12,7 +12,10 @@ import type * as _internal_types from '../_internal_types.js';
 import * as t from '../_transformers.js';
 import type * as types from '../types.js';
 
-export function blobToMldev(fromObject: types.Blob): Record<string, unknown> {
+export function blobToMldev(
+  fromObject: types.Blob,
+  _rootObject?: unknown,
+): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromData = common.getValueByPath(fromObject, ['data']);
@@ -34,6 +37,7 @@ export function blobToMldev(fromObject: types.Blob): Record<string, unknown> {
 
 export function candidateFromMldev(
   fromObject: types.Candidate,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -49,7 +53,7 @@ export function candidateFromMldev(
     common.setValueByPath(
       toObject,
       ['citationMetadata'],
-      citationMetadataFromMldev(fromCitationMetadata),
+      citationMetadataFromMldev(fromCitationMetadata, rootObject),
     );
   }
 
@@ -120,6 +124,7 @@ export function candidateFromMldev(
 
 export function citationMetadataFromMldev(
   fromObject: types.CitationMetadata,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -140,6 +145,7 @@ export function citationMetadataFromMldev(
 export function computeTokensParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.ComputeTokensParameters,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -168,6 +174,7 @@ export function computeTokensParametersToVertex(
 
 export function computeTokensResponseFromVertex(
   fromObject: types.ComputeTokensResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -194,6 +201,7 @@ export function computeTokensResponseFromVertex(
 
 export function contentEmbeddingFromVertex(
   fromObject: types.ContentEmbedding,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -207,7 +215,7 @@ export function contentEmbeddingFromVertex(
     common.setValueByPath(
       toObject,
       ['statistics'],
-      contentEmbeddingStatisticsFromVertex(fromStatistics),
+      contentEmbeddingStatisticsFromVertex(fromStatistics, rootObject),
     );
   }
 
@@ -216,6 +224,7 @@ export function contentEmbeddingFromVertex(
 
 export function contentEmbeddingStatisticsFromVertex(
   fromObject: types.ContentEmbeddingStatistics,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -234,6 +243,7 @@ export function contentEmbeddingStatisticsFromVertex(
 
 export function contentToMldev(
   fromObject: types.Content,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -242,7 +252,7 @@ export function contentToMldev(
     let transformedList = fromParts;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return partToMldev(item);
+        return partToMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['parts'], transformedList);
@@ -258,6 +268,7 @@ export function contentToMldev(
 
 export function controlReferenceConfigToVertex(
   fromObject: types.ControlReferenceConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -282,6 +293,7 @@ export function controlReferenceConfigToVertex(
 
 export function countTokensConfigToMldev(
   fromObject: types.CountTokensConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -307,6 +319,7 @@ export function countTokensConfigToMldev(
 export function countTokensConfigToVertex(
   fromObject: types.CountTokensConfig,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -326,7 +339,7 @@ export function countTokensConfigToVertex(
     let transformedList = fromTools;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return toolToVertex(item);
+        return toolToVertex(item, rootObject);
       });
     }
     common.setValueByPath(parentObject, ['tools'], transformedList);
@@ -339,7 +352,7 @@ export function countTokensConfigToVertex(
     common.setValueByPath(
       parentObject,
       ['generationConfig'],
-      generationConfigToVertex(fromGenerationConfig),
+      generationConfigToVertex(fromGenerationConfig, rootObject),
     );
   }
 
@@ -349,6 +362,7 @@ export function countTokensConfigToVertex(
 export function countTokensParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.CountTokensParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -366,7 +380,7 @@ export function countTokensParametersToMldev(
     let transformedList = t.tContents(fromContents);
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return contentToMldev(item);
+        return contentToMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['contents'], transformedList);
@@ -374,7 +388,7 @@ export function countTokensParametersToMldev(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    countTokensConfigToMldev(fromConfig);
+    countTokensConfigToMldev(fromConfig, rootObject);
   }
 
   return toObject;
@@ -383,6 +397,7 @@ export function countTokensParametersToMldev(
 export function countTokensParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.CountTokensParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -408,7 +423,7 @@ export function countTokensParametersToVertex(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    countTokensConfigToVertex(fromConfig, toObject);
+    countTokensConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -416,6 +431,7 @@ export function countTokensParametersToVertex(
 
 export function countTokensResponseFromMldev(
   fromObject: types.CountTokensResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -447,6 +463,7 @@ export function countTokensResponseFromMldev(
 
 export function countTokensResponseFromVertex(
   fromObject: types.CountTokensResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -468,6 +485,7 @@ export function countTokensResponseFromVertex(
 export function deleteModelParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.DeleteModelParameters,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -486,6 +504,7 @@ export function deleteModelParametersToMldev(
 export function deleteModelParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.DeleteModelParameters,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -503,6 +522,7 @@ export function deleteModelParametersToVertex(
 
 export function deleteModelResponseFromMldev(
   fromObject: types.DeleteModelResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -518,6 +538,7 @@ export function deleteModelResponseFromMldev(
 
 export function deleteModelResponseFromVertex(
   fromObject: types.DeleteModelResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -534,6 +555,7 @@ export function deleteModelResponseFromVertex(
 export function editImageConfigToVertex(
   fromObject: types.EditImageConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -706,6 +728,7 @@ export function editImageConfigToVertex(
 export function editImageParametersInternalToVertex(
   apiClient: ApiClient,
   fromObject: _internal_types.EditImageParametersInternal,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -730,7 +753,7 @@ export function editImageParametersInternalToVertex(
     let transformedList = fromReferenceImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return referenceImageAPIInternalToVertex(item);
+        return referenceImageAPIInternalToVertex(item, rootObject);
       });
     }
     common.setValueByPath(
@@ -742,7 +765,7 @@ export function editImageParametersInternalToVertex(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    editImageConfigToVertex(fromConfig, toObject);
+    editImageConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -750,6 +773,7 @@ export function editImageParametersInternalToVertex(
 
 export function editImageResponseFromVertex(
   fromObject: types.EditImageResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -767,7 +791,7 @@ export function editImageResponseFromVertex(
     let transformedList = fromGeneratedImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedImageFromVertex(item);
+        return generatedImageFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedImages'], transformedList);
@@ -779,6 +803,7 @@ export function editImageResponseFromVertex(
 export function embedContentConfigToMldev(
   fromObject: types.EmbedContentConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -821,58 +846,130 @@ export function embedContentConfigToMldev(
 export function embedContentConfigToVertex(
   fromObject: types.EmbedContentConfig,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
-  const fromTaskType = common.getValueByPath(fromObject, ['taskType']);
-  if (parentObject !== undefined && fromTaskType != null) {
-    common.setValueByPath(
-      parentObject,
-      ['instances[]', 'task_type'],
-      fromTaskType,
-    );
+  let discriminatorTaskType = common.getValueByPath(rootObject, [
+    'embeddingApiType',
+  ]);
+  if (discriminatorTaskType === undefined) {
+    discriminatorTaskType = 'PREDICT';
+  }
+  if (discriminatorTaskType === 'PREDICT') {
+    const fromTaskType = common.getValueByPath(fromObject, ['taskType']);
+    if (parentObject !== undefined && fromTaskType != null) {
+      common.setValueByPath(
+        parentObject,
+        ['instances[]', 'task_type'],
+        fromTaskType,
+      );
+    }
+  } else if (discriminatorTaskType === 'EMBED_CONTENT') {
+    const fromTaskType = common.getValueByPath(fromObject, ['taskType']);
+    if (parentObject !== undefined && fromTaskType != null) {
+      common.setValueByPath(parentObject, ['taskType'], fromTaskType);
+    }
   }
 
-  const fromTitle = common.getValueByPath(fromObject, ['title']);
-  if (parentObject !== undefined && fromTitle != null) {
-    common.setValueByPath(parentObject, ['instances[]', 'title'], fromTitle);
+  let discriminatorTitle = common.getValueByPath(rootObject, [
+    'embeddingApiType',
+  ]);
+  if (discriminatorTitle === undefined) {
+    discriminatorTitle = 'PREDICT';
+  }
+  if (discriminatorTitle === 'PREDICT') {
+    const fromTitle = common.getValueByPath(fromObject, ['title']);
+    if (parentObject !== undefined && fromTitle != null) {
+      common.setValueByPath(parentObject, ['instances[]', 'title'], fromTitle);
+    }
+  } else if (discriminatorTitle === 'EMBED_CONTENT') {
+    const fromTitle = common.getValueByPath(fromObject, ['title']);
+    if (parentObject !== undefined && fromTitle != null) {
+      common.setValueByPath(parentObject, ['title'], fromTitle);
+    }
   }
 
-  const fromOutputDimensionality = common.getValueByPath(fromObject, [
-    'outputDimensionality',
+  let discriminatorOutputDimensionality = common.getValueByPath(rootObject, [
+    'embeddingApiType',
   ]);
-  if (parentObject !== undefined && fromOutputDimensionality != null) {
-    common.setValueByPath(
-      parentObject,
-      ['parameters', 'outputDimensionality'],
-      fromOutputDimensionality,
-    );
+  if (discriminatorOutputDimensionality === undefined) {
+    discriminatorOutputDimensionality = 'PREDICT';
+  }
+  if (discriminatorOutputDimensionality === 'PREDICT') {
+    const fromOutputDimensionality = common.getValueByPath(fromObject, [
+      'outputDimensionality',
+    ]);
+    if (parentObject !== undefined && fromOutputDimensionality != null) {
+      common.setValueByPath(
+        parentObject,
+        ['parameters', 'outputDimensionality'],
+        fromOutputDimensionality,
+      );
+    }
+  } else if (discriminatorOutputDimensionality === 'EMBED_CONTENT') {
+    const fromOutputDimensionality = common.getValueByPath(fromObject, [
+      'outputDimensionality',
+    ]);
+    if (parentObject !== undefined && fromOutputDimensionality != null) {
+      common.setValueByPath(
+        parentObject,
+        ['outputDimensionality'],
+        fromOutputDimensionality,
+      );
+    }
   }
 
-  const fromMimeType = common.getValueByPath(fromObject, ['mimeType']);
-  if (parentObject !== undefined && fromMimeType != null) {
-    common.setValueByPath(
-      parentObject,
-      ['instances[]', 'mimeType'],
-      fromMimeType,
-    );
+  let discriminatorMimeType = common.getValueByPath(rootObject, [
+    'embeddingApiType',
+  ]);
+  if (discriminatorMimeType === undefined) {
+    discriminatorMimeType = 'PREDICT';
+  }
+  if (discriminatorMimeType === 'PREDICT') {
+    const fromMimeType = common.getValueByPath(fromObject, ['mimeType']);
+    if (parentObject !== undefined && fromMimeType != null) {
+      common.setValueByPath(
+        parentObject,
+        ['instances[]', 'mimeType'],
+        fromMimeType,
+      );
+    }
   }
 
-  const fromAutoTruncate = common.getValueByPath(fromObject, ['autoTruncate']);
-  if (parentObject !== undefined && fromAutoTruncate != null) {
-    common.setValueByPath(
-      parentObject,
-      ['parameters', 'autoTruncate'],
-      fromAutoTruncate,
-    );
+  let discriminatorAutoTruncate = common.getValueByPath(rootObject, [
+    'embeddingApiType',
+  ]);
+  if (discriminatorAutoTruncate === undefined) {
+    discriminatorAutoTruncate = 'PREDICT';
+  }
+  if (discriminatorAutoTruncate === 'PREDICT') {
+    const fromAutoTruncate = common.getValueByPath(fromObject, [
+      'autoTruncate',
+    ]);
+    if (parentObject !== undefined && fromAutoTruncate != null) {
+      common.setValueByPath(
+        parentObject,
+        ['parameters', 'autoTruncate'],
+        fromAutoTruncate,
+      );
+    }
+  } else if (discriminatorAutoTruncate === 'EMBED_CONTENT') {
+    const fromAutoTruncate = common.getValueByPath(fromObject, [
+      'autoTruncate',
+    ]);
+    if (parentObject !== undefined && fromAutoTruncate != null) {
+      common.setValueByPath(parentObject, ['autoTruncate'], fromAutoTruncate);
+    }
   }
 
   return toObject;
 }
 
-export function embedContentParametersToMldev(
+export function embedContentParametersPrivateToMldev(
   apiClient: ApiClient,
-  fromObject: types.EmbedContentParameters,
+  fromObject: types.EmbedContentParametersPrivate,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -896,9 +993,14 @@ export function embedContentParametersToMldev(
     common.setValueByPath(toObject, ['requests[]', 'content'], transformedList);
   }
 
+  const fromContent = common.getValueByPath(fromObject, ['content']);
+  if (fromContent != null) {
+    contentToMldev(t.tContent(fromContent), rootObject);
+  }
+
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    embedContentConfigToMldev(fromConfig, toObject);
+    embedContentConfigToMldev(fromConfig, toObject, rootObject);
   }
 
   const fromModelForEmbedContent = common.getValueByPath(fromObject, ['model']);
@@ -913,9 +1015,10 @@ export function embedContentParametersToMldev(
   return toObject;
 }
 
-export function embedContentParametersToVertex(
+export function embedContentParametersPrivateToVertex(
   apiClient: ApiClient,
-  fromObject: types.EmbedContentParameters,
+  fromObject: types.EmbedContentParametersPrivate,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -928,24 +1031,45 @@ export function embedContentParametersToVertex(
     );
   }
 
-  const fromContents = common.getValueByPath(fromObject, ['contents']);
-  if (fromContents != null) {
-    let transformedList = t.tContentsForEmbed(apiClient, fromContents);
-    if (Array.isArray(transformedList)) {
-      transformedList = transformedList.map((item) => {
-        return item;
-      });
+  let discriminatorContents = common.getValueByPath(rootObject, [
+    'embeddingApiType',
+  ]);
+  if (discriminatorContents === undefined) {
+    discriminatorContents = 'PREDICT';
+  }
+  if (discriminatorContents === 'PREDICT') {
+    const fromContents = common.getValueByPath(fromObject, ['contents']);
+    if (fromContents != null) {
+      let transformedList = t.tContentsForEmbed(apiClient, fromContents);
+      if (Array.isArray(transformedList)) {
+        transformedList = transformedList.map((item) => {
+          return item;
+        });
+      }
+      common.setValueByPath(
+        toObject,
+        ['instances[]', 'content'],
+        transformedList,
+      );
+    }
+  }
+
+  let discriminatorContent = common.getValueByPath(rootObject, [
+    'embeddingApiType',
+  ]);
+  if (discriminatorContent === undefined) {
+    discriminatorContent = 'PREDICT';
+  }
+  if (discriminatorContent === 'EMBED_CONTENT') {
+    const fromContent = common.getValueByPath(fromObject, ['content']);
+    if (fromContent != null) {
+      common.setValueByPath(toObject, ['content'], t.tContent(fromContent));
     }
-    common.setValueByPath(
-      toObject,
-      ['instances[]', 'content'],
-      transformedList,
-    );
   }
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    embedContentConfigToVertex(fromConfig, toObject);
+    embedContentConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -953,6 +1077,7 @@ export function embedContentParametersToVertex(
 
 export function embedContentResponseFromMldev(
   fromObject: types.EmbedContentResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -984,6 +1109,7 @@ export function embedContentResponseFromMldev(
 
 export function embedContentResponseFromVertex(
   fromObject: types.EmbedContentResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1002,7 +1128,7 @@ export function embedContentResponseFromVertex(
     let transformedList = fromEmbeddings;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return contentEmbeddingFromVertex(item);
+        return contentEmbeddingFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['embeddings'], transformedList);
@@ -1013,11 +1139,37 @@ export function embedContentResponseFromVertex(
     common.setValueByPath(toObject, ['metadata'], fromMetadata);
   }
 
+  if (
+    rootObject &&
+    common.getValueByPath(rootObject, ['embeddingApiType']) === 'EMBED_CONTENT'
+  ) {
+    const embedding = common.getValueByPath(fromObject, ['embedding']);
+    const usageMetadata = common.getValueByPath(fromObject, ['usageMetadata']);
+    const truncated = common.getValueByPath(fromObject, ['truncated']);
+    if (embedding) {
+      const stats = {} as types.ContentEmbeddingStatistics;
+      if (
+        usageMetadata &&
+        (usageMetadata as Record<string, unknown>)['promptTokenCount']
+      ) {
+        stats.tokenCount = (usageMetadata as Record<string, unknown>)[
+          'promptTokenCount'
+        ] as number;
+      }
+      if (truncated) {
+        stats.truncated = truncated as boolean;
+      }
+      (embedding as types.ContentEmbedding).statistics = stats;
+      common.setValueByPath(toObject, ['embeddings'], [embedding]);
+    }
+  }
+
   return toObject;
 }
 
 export function endpointFromVertex(
   fromObject: types.Endpoint,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1038,6 +1190,7 @@ export function endpointFromVertex(
 
 export function fileDataToMldev(
   fromObject: types.FileData,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1060,6 +1213,7 @@ export function fileDataToMldev(
 
 export function functionCallToMldev(
   fromObject: types.FunctionCall,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1091,6 +1245,7 @@ export function functionCallToMldev(
 
 export function functionCallingConfigToMldev(
   fromObject: types.FunctionCallingConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1124,6 +1279,7 @@ export function functionCallingConfigToMldev(
 
 export function functionDeclarationToVertex(
   fromObject: types.FunctionDeclaration,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1180,6 +1336,7 @@ export function generateContentConfigToMldev(
   apiClient: ApiClient,
   fromObject: types.GenerateContentConfig,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1190,7 +1347,7 @@ export function generateContentConfigToMldev(
     common.setValueByPath(
       parentObject,
       ['systemInstruction'],
-      contentToMldev(t.tContent(fromSystemInstruction)),
+      contentToMldev(t.tContent(fromSystemInstruction), rootObject),
     );
   }
 
@@ -1309,7 +1466,7 @@ export function generateContentConfigToMldev(
     let transformedList = fromSafetySettings;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return safetySettingToMldev(item);
+        return safetySettingToMldev(item, rootObject);
       });
     }
     common.setValueByPath(parentObject, ['safetySettings'], transformedList);
@@ -1320,7 +1477,7 @@ export function generateContentConfigToMldev(
     let transformedList = t.tTools(fromTools);
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return toolToMldev(t.tTool(item));
+        return toolToMldev(t.tTool(item), rootObject);
       });
     }
     common.setValueByPath(parentObject, ['tools'], transformedList);
@@ -1331,7 +1488,7 @@ export function generateContentConfigToMldev(
     common.setValueByPath(
       parentObject,
       ['toolConfig'],
-      toolConfigToMldev(fromToolConfig),
+      toolConfigToMldev(fromToolConfig, rootObject),
     );
   }
 
@@ -1393,7 +1550,7 @@ export function generateContentConfigToMldev(
     common.setValueByPath(
       toObject,
       ['imageConfig'],
-      imageConfigToMldev(fromImageConfig),
+      imageConfigToMldev(fromImageConfig, rootObject),
     );
   }
 
@@ -1415,6 +1572,7 @@ export function generateContentConfigToVertex(
   apiClient: ApiClient,
   fromObject: types.GenerateContentConfig,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1557,7 +1715,7 @@ export function generateContentConfigToVertex(
     let transformedList = t.tTools(fromTools);
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return toolToVertex(t.tTool(item));
+        return toolToVertex(t.tTool(item), rootObject);
       });
     }
     common.setValueByPath(parentObject, ['tools'], transformedList);
@@ -1607,7 +1765,7 @@ export function generateContentConfigToVertex(
     common.setValueByPath(
       toObject,
       ['speechConfig'],
-      speechConfigToVertex(t.tSpeechConfig(fromSpeechConfig)),
+      speechConfigToVertex(t.tSpeechConfig(fromSpeechConfig), rootObject),
     );
   }
 
@@ -1630,7 +1788,7 @@ export function generateContentConfigToVertex(
     common.setValueByPath(
       toObject,
       ['imageConfig'],
-      imageConfigToVertex(fromImageConfig),
+      imageConfigToVertex(fromImageConfig, rootObject),
     );
   }
 
@@ -1649,6 +1807,7 @@ export function generateContentConfigToVertex(
 export function generateContentParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.GenerateContentParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1666,7 +1825,7 @@ export function generateContentParametersToMldev(
     let transformedList = t.tContents(fromContents);
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return contentToMldev(item);
+        return contentToMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['contents'], transformedList);
@@ -1677,7 +1836,7 @@ export function generateContentParametersToMldev(
     common.setValueByPath(
       toObject,
       ['generationConfig'],
-      generateContentConfigToMldev(apiClient, fromConfig, toObject),
+      generateContentConfigToMldev(apiClient, fromConfig, toObject, rootObject),
     );
   }
 
@@ -1687,6 +1846,7 @@ export function generateContentParametersToMldev(
 export function generateContentParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.GenerateContentParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1715,7 +1875,12 @@ export function generateContentParametersToVertex(
     common.setValueByPath(
       toObject,
       ['generationConfig'],
-      generateContentConfigToVertex(apiClient, fromConfig, toObject),
+      generateContentConfigToVertex(
+        apiClient,
+        fromConfig,
+        toObject,
+        rootObject,
+      ),
     );
   }
 
@@ -1724,6 +1889,7 @@ export function generateContentParametersToVertex(
 
 export function generateContentResponseFromMldev(
   fromObject: types.GenerateContentResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1739,7 +1905,7 @@ export function generateContentResponseFromMldev(
     let transformedList = fromCandidates;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return candidateFromMldev(item);
+        return candidateFromMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['candidates'], transformedList);
@@ -1774,6 +1940,7 @@ export function generateContentResponseFromMldev(
 
 export function generateContentResponseFromVertex(
   fromObject: types.GenerateContentResponse,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1830,6 +1997,7 @@ export function generateContentResponseFromVertex(
 export function generateImagesConfigToMldev(
   fromObject: types.GenerateImagesConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -1978,6 +2146,7 @@ export function generateImagesConfigToMldev(
 export function generateImagesConfigToVertex(
   fromObject: types.GenerateImagesConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2152,6 +2321,7 @@ export function generateImagesConfigToVertex(
 export function generateImagesParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.GenerateImagesParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2171,7 +2341,7 @@ export function generateImagesParametersToMldev(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    generateImagesConfigToMldev(fromConfig, toObject);
+    generateImagesConfigToMldev(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -2180,6 +2350,7 @@ export function generateImagesParametersToMldev(
 export function generateImagesParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.GenerateImagesParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2199,7 +2370,7 @@ export function generateImagesParametersToVertex(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    generateImagesConfigToVertex(fromConfig, toObject);
+    generateImagesConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -2207,6 +2378,7 @@ export function generateImagesParametersToVertex(
 
 export function generateImagesResponseFromMldev(
   fromObject: types.GenerateImagesResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2224,7 +2396,7 @@ export function generateImagesResponseFromMldev(
     let transformedList = fromGeneratedImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedImageFromMldev(item);
+        return generatedImageFromMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedImages'], transformedList);
@@ -2237,7 +2409,7 @@ export function generateImagesResponseFromMldev(
     common.setValueByPath(
       toObject,
       ['positivePromptSafetyAttributes'],
-      safetyAttributesFromMldev(fromPositivePromptSafetyAttributes),
+      safetyAttributesFromMldev(fromPositivePromptSafetyAttributes, rootObject),
     );
   }
 
@@ -2246,6 +2418,7 @@ export function generateImagesResponseFromMldev(
 
 export function generateImagesResponseFromVertex(
   fromObject: types.GenerateImagesResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2263,7 +2436,7 @@ export function generateImagesResponseFromVertex(
     let transformedList = fromGeneratedImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedImageFromVertex(item);
+        return generatedImageFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedImages'], transformedList);
@@ -2276,7 +2449,10 @@ export function generateImagesResponseFromVertex(
     common.setValueByPath(
       toObject,
       ['positivePromptSafetyAttributes'],
-      safetyAttributesFromVertex(fromPositivePromptSafetyAttributes),
+      safetyAttributesFromVertex(
+        fromPositivePromptSafetyAttributes,
+        rootObject,
+      ),
     );
   }
 
@@ -2286,6 +2462,7 @@ export function generateImagesResponseFromVertex(
 export function generateVideosConfigToMldev(
   fromObject: types.GenerateVideosConfig,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2387,7 +2564,7 @@ export function generateVideosConfigToMldev(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'lastFrame'],
-      imageToMldev(fromLastFrame),
+      imageToMldev(fromLastFrame, rootObject),
     );
   }
 
@@ -2398,7 +2575,7 @@ export function generateVideosConfigToMldev(
     let transformedList = fromReferenceImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return videoGenerationReferenceImageToMldev(item);
+        return videoGenerationReferenceImageToMldev(item, rootObject);
       });
     }
     common.setValueByPath(
@@ -2424,6 +2601,7 @@ export function generateVideosConfigToMldev(
 export function generateVideosConfigToVertex(
   fromObject: types.GenerateVideosConfig,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2544,7 +2722,7 @@ export function generateVideosConfigToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'lastFrame'],
-      imageToVertex(fromLastFrame),
+      imageToVertex(fromLastFrame, rootObject),
     );
   }
 
@@ -2555,7 +2733,7 @@ export function generateVideosConfigToVertex(
     let transformedList = fromReferenceImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return videoGenerationReferenceImageToVertex(item);
+        return videoGenerationReferenceImageToVertex(item, rootObject);
       });
     }
     common.setValueByPath(
@@ -2570,7 +2748,7 @@ export function generateVideosConfigToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'mask'],
-      videoGenerationMaskToVertex(fromMask),
+      videoGenerationMaskToVertex(fromMask, rootObject),
     );
   }
 
@@ -2590,6 +2768,7 @@ export function generateVideosConfigToVertex(
 
 export function generateVideosOperationFromMldev(
   fromObject: types.GenerateVideosOperation,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2621,7 +2800,7 @@ export function generateVideosOperationFromMldev(
     common.setValueByPath(
       toObject,
       ['response'],
-      generateVideosResponseFromMldev(fromResponse),
+      generateVideosResponseFromMldev(fromResponse, rootObject),
     );
   }
 
@@ -2630,6 +2809,7 @@ export function generateVideosOperationFromMldev(
 
 export function generateVideosOperationFromVertex(
   fromObject: types.GenerateVideosOperation,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2658,7 +2838,7 @@ export function generateVideosOperationFromVertex(
     common.setValueByPath(
       toObject,
       ['response'],
-      generateVideosResponseFromVertex(fromResponse),
+      generateVideosResponseFromVertex(fromResponse, rootObject),
     );
   }
 
@@ -2668,6 +2848,7 @@ export function generateVideosOperationFromVertex(
 export function generateVideosParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.GenerateVideosParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2690,7 +2871,7 @@ export function generateVideosParametersToMldev(
     common.setValueByPath(
       toObject,
       ['instances[0]', 'image'],
-      imageToMldev(fromImage),
+      imageToMldev(fromImage, rootObject),
     );
   }
 
@@ -2699,18 +2880,18 @@ export function generateVideosParametersToMldev(
     common.setValueByPath(
       toObject,
       ['instances[0]', 'video'],
-      videoToMldev(fromVideo),
+      videoToMldev(fromVideo, rootObject),
     );
   }
 
   const fromSource = common.getValueByPath(fromObject, ['source']);
   if (fromSource != null) {
-    generateVideosSourceToMldev(fromSource, toObject);
+    generateVideosSourceToMldev(fromSource, toObject, rootObject);
   }
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    generateVideosConfigToMldev(fromConfig, toObject);
+    generateVideosConfigToMldev(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -2719,6 +2900,7 @@ export function generateVideosParametersToMldev(
 export function generateVideosParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.GenerateVideosParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2741,7 +2923,7 @@ export function generateVideosParametersToVertex(
     common.setValueByPath(
       toObject,
       ['instances[0]', 'image'],
-      imageToVertex(fromImage),
+      imageToVertex(fromImage, rootObject),
     );
   }
 
@@ -2750,18 +2932,18 @@ export function generateVideosParametersToVertex(
     common.setValueByPath(
       toObject,
       ['instances[0]', 'video'],
-      videoToVertex(fromVideo),
+      videoToVertex(fromVideo, rootObject),
     );
   }
 
   const fromSource = common.getValueByPath(fromObject, ['source']);
   if (fromSource != null) {
-    generateVideosSourceToVertex(fromSource, toObject);
+    generateVideosSourceToVertex(fromSource, toObject, rootObject);
   }
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    generateVideosConfigToVertex(fromConfig, toObject);
+    generateVideosConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -2769,6 +2951,7 @@ export function generateVideosParametersToVertex(
 
 export function generateVideosResponseFromMldev(
   fromObject: types.GenerateVideosResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2779,7 +2962,7 @@ export function generateVideosResponseFromMldev(
     let transformedList = fromGeneratedVideos;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedVideoFromMldev(item);
+        return generatedVideoFromMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedVideos'], transformedList);
@@ -2812,6 +2995,7 @@ export function generateVideosResponseFromMldev(
 
 export function generateVideosResponseFromVertex(
   fromObject: types.GenerateVideosResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2820,7 +3004,7 @@ export function generateVideosResponseFromVertex(
     let transformedList = fromGeneratedVideos;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedVideoFromVertex(item);
+        return generatedVideoFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedVideos'], transformedList);
@@ -2854,6 +3038,7 @@ export function generateVideosResponseFromVertex(
 export function generateVideosSourceToMldev(
   fromObject: types.GenerateVideosSource,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2867,7 +3052,7 @@ export function generateVideosSourceToMldev(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'image'],
-      imageToMldev(fromImage),
+      imageToMldev(fromImage, rootObject),
     );
   }
 
@@ -2876,7 +3061,7 @@ export function generateVideosSourceToMldev(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'video'],
-      videoToMldev(fromVideo),
+      videoToMldev(fromVideo, rootObject),
     );
   }
 
@@ -2886,6 +3071,7 @@ export function generateVideosSourceToMldev(
 export function generateVideosSourceToVertex(
   fromObject: types.GenerateVideosSource,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -2899,7 +3085,7 @@ export function generateVideosSourceToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'image'],
-      imageToVertex(fromImage),
+      imageToVertex(fromImage, rootObject),
     );
   }
 
@@ -2908,7 +3094,7 @@ export function generateVideosSourceToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'video'],
-      videoToVertex(fromVideo),
+      videoToVertex(fromVideo, rootObject),
     );
   }
 
@@ -2917,12 +3103,17 @@ export function generateVideosSourceToVertex(
 
 export function generatedImageFromMldev(
   fromObject: types.GeneratedImage,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromImage = common.getValueByPath(fromObject, ['_self']);
   if (fromImage != null) {
-    common.setValueByPath(toObject, ['image'], imageFromMldev(fromImage));
+    common.setValueByPath(
+      toObject,
+      ['image'],
+      imageFromMldev(fromImage, rootObject),
+    );
   }
 
   const fromRaiFilteredReason = common.getValueByPath(fromObject, [
@@ -2941,7 +3132,7 @@ export function generatedImageFromMldev(
     common.setValueByPath(
       toObject,
       ['safetyAttributes'],
-      safetyAttributesFromMldev(fromSafetyAttributes),
+      safetyAttributesFromMldev(fromSafetyAttributes, rootObject),
     );
   }
 
@@ -2950,12 +3141,17 @@ export function generatedImageFromMldev(
 
 export function generatedImageFromVertex(
   fromObject: types.GeneratedImage,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromImage = common.getValueByPath(fromObject, ['_self']);
   if (fromImage != null) {
-    common.setValueByPath(toObject, ['image'], imageFromVertex(fromImage));
+    common.setValueByPath(
+      toObject,
+      ['image'],
+      imageFromVertex(fromImage, rootObject),
+    );
   }
 
   const fromRaiFilteredReason = common.getValueByPath(fromObject, [
@@ -2974,7 +3170,7 @@ export function generatedImageFromVertex(
     common.setValueByPath(
       toObject,
       ['safetyAttributes'],
-      safetyAttributesFromVertex(fromSafetyAttributes),
+      safetyAttributesFromVertex(fromSafetyAttributes, rootObject),
     );
   }
 
@@ -2988,12 +3184,17 @@ export function generatedImageFromVertex(
 
 export function generatedImageMaskFromVertex(
   fromObject: types.GeneratedImageMask,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromMask = common.getValueByPath(fromObject, ['_self']);
   if (fromMask != null) {
-    common.setValueByPath(toObject, ['mask'], imageFromVertex(fromMask));
+    common.setValueByPath(
+      toObject,
+      ['mask'],
+      imageFromVertex(fromMask, rootObject),
+    );
   }
 
   const fromLabels = common.getValueByPath(fromObject, ['labels']);
@@ -3012,12 +3213,17 @@ export function generatedImageMaskFromVertex(
 
 export function generatedVideoFromMldev(
   fromObject: types.GeneratedVideo,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromVideo = common.getValueByPath(fromObject, ['video']);
   if (fromVideo != null) {
-    common.setValueByPath(toObject, ['video'], videoFromMldev(fromVideo));
+    common.setValueByPath(
+      toObject,
+      ['video'],
+      videoFromMldev(fromVideo, rootObject),
+    );
   }
 
   return toObject;
@@ -3025,12 +3231,17 @@ export function generatedVideoFromMldev(
 
 export function generatedVideoFromVertex(
   fromObject: types.GeneratedVideo,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromVideo = common.getValueByPath(fromObject, ['_self']);
   if (fromVideo != null) {
-    common.setValueByPath(toObject, ['video'], videoFromVertex(fromVideo));
+    common.setValueByPath(
+      toObject,
+      ['video'],
+      videoFromVertex(fromVideo, rootObject),
+    );
   }
 
   return toObject;
@@ -3038,6 +3249,7 @@ export function generatedVideoFromVertex(
 
 export function generationConfigToVertex(
   fromObject: types.GenerationConfig,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3166,7 +3378,7 @@ export function generationConfigToVertex(
     common.setValueByPath(
       toObject,
       ['speechConfig'],
-      speechConfigToVertex(fromSpeechConfig),
+      speechConfigToVertex(fromSpeechConfig, rootObject),
     );
   }
 
@@ -3214,6 +3426,7 @@ export function generationConfigToVertex(
 export function getModelParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.GetModelParameters,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3232,6 +3445,7 @@ export function getModelParametersToMldev(
 export function getModelParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.GetModelParameters,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3249,6 +3463,7 @@ export function getModelParametersToVertex(
 
 export function googleMapsToMldev(
   fromObject: types.GoogleMaps,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3266,6 +3481,7 @@ export function googleMapsToMldev(
 
 export function googleSearchToMldev(
   fromObject: types.GoogleSearch,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3291,6 +3507,7 @@ export function googleSearchToMldev(
 
 export function imageConfigToMldev(
   fromObject: types.ImageConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3322,6 +3539,7 @@ export function imageConfigToMldev(
 
 export function imageConfigToVertex(
   fromObject: types.ImageConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3362,6 +3580,7 @@ export function imageConfigToVertex(
 
 export function imageFromMldev(
   fromObject: types.Image,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3382,6 +3601,7 @@ export function imageFromMldev(
 
 export function imageFromVertex(
   fromObject: types.Image,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3405,7 +3625,10 @@ export function imageFromVertex(
   return toObject;
 }
 
-export function imageToMldev(fromObject: types.Image): Record<string, unknown> {
+export function imageToMldev(
+  fromObject: types.Image,
+  _rootObject?: unknown,
+): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   if (common.getValueByPath(fromObject, ['gcsUri']) !== undefined) {
@@ -3431,6 +3654,7 @@ export function imageToMldev(fromObject: types.Image): Record<string, unknown> {
 
 export function imageToVertex(
   fromObject: types.Image,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3460,6 +3684,7 @@ export function listModelsConfigToMldev(
   apiClient: ApiClient,
   fromObject: types.ListModelsConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3494,6 +3719,7 @@ export function listModelsConfigToVertex(
   apiClient: ApiClient,
   fromObject: types.ListModelsConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3527,12 +3753,13 @@ export function listModelsConfigToVertex(
 export function listModelsParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.ListModelsParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    listModelsConfigToMldev(apiClient, fromConfig, toObject);
+    listModelsConfigToMldev(apiClient, fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -3541,12 +3768,13 @@ export function listModelsParametersToMldev(
 export function listModelsParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.ListModelsParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    listModelsConfigToVertex(apiClient, fromConfig, toObject);
+    listModelsConfigToVertex(apiClient, fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -3554,6 +3782,7 @@ export function listModelsParametersToVertex(
 
 export function listModelsResponseFromMldev(
   fromObject: types.ListModelsResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3576,7 +3805,7 @@ export function listModelsResponseFromMldev(
     let transformedList = t.tExtractModels(fromModels);
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return modelFromMldev(item);
+        return modelFromMldev(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['models'], transformedList);
@@ -3587,6 +3816,7 @@ export function listModelsResponseFromMldev(
 
 export function listModelsResponseFromVertex(
   fromObject: types.ListModelsResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3609,7 +3839,7 @@ export function listModelsResponseFromVertex(
     let transformedList = t.tExtractModels(fromModels);
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return modelFromVertex(item);
+        return modelFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['models'], transformedList);
@@ -3620,6 +3850,7 @@ export function listModelsResponseFromVertex(
 
 export function maskReferenceConfigToVertex(
   fromObject: types.MaskReferenceConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3645,6 +3876,7 @@ export function maskReferenceConfigToVertex(
 
 export function modelFromMldev(
   fromObject: types.Model,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3673,7 +3905,7 @@ export function modelFromMldev(
     common.setValueByPath(
       toObject,
       ['tunedModelInfo'],
-      tunedModelInfoFromMldev(fromTunedModelInfo),
+      tunedModelInfoFromMldev(fromTunedModelInfo, rootObject),
     );
   }
 
@@ -3730,6 +3962,7 @@ export function modelFromMldev(
 
 export function modelFromVertex(
   fromObject: types.Model,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -3758,7 +3991,7 @@ export function modelFromVertex(
     let transformedList = fromEndpoints;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return endpointFromVertex(item);
+        return endpointFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['endpoints'], transformedList);
@@ -3774,7 +4007,7 @@ export function modelFromVertex(
     common.setValueByPath(
       toObject,
       ['tunedModelInfo'],
-      tunedModelInfoFromVertex(fromTunedModelInfo),
+      tunedModelInfoFromVertex(fromTunedModelInfo, rootObject),
     );
   }
 
@@ -3803,7 +4036,10 @@ export function modelFromVertex(
   return toObject;
 }
 
-export function partToMldev(fromObject: types.Part): Record<string, unknown> {
+export function partToMldev(
+  fromObject: types.Part,
+  rootObject?: unknown,
+): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromMediaResolution = common.getValueByPath(fromObject, [
@@ -3836,7 +4072,7 @@ export function partToMldev(fromObject: types.Part): Record<string, unknown> {
     common.setValueByPath(
       toObject,
       ['fileData'],
-      fileDataToMldev(fromFileData),
+      fileDataToMldev(fromFileData, rootObject),
     );
   }
 
@@ -3845,7 +4081,7 @@ export function partToMldev(fromObject: types.Part): Record<string, unknown> {
     common.setValueByPath(
       toObject,
       ['functionCall'],
-      functionCallToMldev(fromFunctionCall),
+      functionCallToMldev(fromFunctionCall, rootObject),
     );
   }
 
@@ -3861,7 +4097,7 @@ export function partToMldev(fromObject: types.Part): Record<string, unknown> {
     common.setValueByPath(
       toObject,
       ['inlineData'],
-      blobToMldev(fromInlineData),
+      blobToMldev(fromInlineData, rootObject),
     );
   }
 
@@ -3894,12 +4130,17 @@ export function partToMldev(fromObject: types.Part): Record<string, unknown> {
 
 export function productImageToVertex(
   fromObject: types.ProductImage,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromProductImage = common.getValueByPath(fromObject, ['productImage']);
   if (fromProductImage != null) {
-    common.setValueByPath(toObject, ['image'], imageToVertex(fromProductImage));
+    common.setValueByPath(
+      toObject,
+      ['image'],
+      imageToVertex(fromProductImage, rootObject),
+    );
   }
 
   return toObject;
@@ -3908,6 +4149,7 @@ export function productImageToVertex(
 export function recontextImageConfigToVertex(
   fromObject: types.RecontextImageConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4020,6 +4262,7 @@ export function recontextImageConfigToVertex(
 export function recontextImageParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.RecontextImageParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4034,12 +4277,12 @@ export function recontextImageParametersToVertex(
 
   const fromSource = common.getValueByPath(fromObject, ['source']);
   if (fromSource != null) {
-    recontextImageSourceToVertex(fromSource, toObject);
+    recontextImageSourceToVertex(fromSource, toObject, rootObject);
   }
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    recontextImageConfigToVertex(fromConfig, toObject);
+    recontextImageConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -4047,6 +4290,7 @@ export function recontextImageParametersToVertex(
 
 export function recontextImageResponseFromVertex(
   fromObject: types.RecontextImageResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4057,7 +4301,7 @@ export function recontextImageResponseFromVertex(
     let transformedList = fromGeneratedImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedImageFromVertex(item);
+        return generatedImageFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedImages'], transformedList);
@@ -4069,6 +4313,7 @@ export function recontextImageResponseFromVertex(
 export function recontextImageSourceToVertex(
   fromObject: types.RecontextImageSource,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4082,7 +4327,7 @@ export function recontextImageSourceToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'personImage', 'image'],
-      imageToVertex(fromPersonImage),
+      imageToVertex(fromPersonImage, rootObject),
     );
   }
 
@@ -4093,7 +4338,7 @@ export function recontextImageSourceToVertex(
     let transformedList = fromProductImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return productImageToVertex(item);
+        return productImageToVertex(item, rootObject);
       });
     }
     common.setValueByPath(
@@ -4108,6 +4353,7 @@ export function recontextImageSourceToVertex(
 
 export function referenceImageAPIInternalToVertex(
   fromObject: _internal_types.ReferenceImageAPIInternal,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4118,7 +4364,7 @@ export function referenceImageAPIInternalToVertex(
     common.setValueByPath(
       toObject,
       ['referenceImage'],
-      imageToVertex(fromReferenceImage),
+      imageToVertex(fromReferenceImage, rootObject),
     );
   }
 
@@ -4141,7 +4387,7 @@ export function referenceImageAPIInternalToVertex(
     common.setValueByPath(
       toObject,
       ['maskImageConfig'],
-      maskReferenceConfigToVertex(fromMaskImageConfig),
+      maskReferenceConfigToVertex(fromMaskImageConfig, rootObject),
     );
   }
 
@@ -4152,7 +4398,7 @@ export function referenceImageAPIInternalToVertex(
     common.setValueByPath(
       toObject,
       ['controlImageConfig'],
-      controlReferenceConfigToVertex(fromControlImageConfig),
+      controlReferenceConfigToVertex(fromControlImageConfig, rootObject),
     );
   }
 
@@ -4179,6 +4425,7 @@ export function referenceImageAPIInternalToVertex(
 
 export function safetyAttributesFromMldev(
   fromObject: types.SafetyAttributes,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4208,6 +4455,7 @@ export function safetyAttributesFromMldev(
 
 export function safetyAttributesFromVertex(
   fromObject: types.SafetyAttributes,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4237,6 +4485,7 @@ export function safetyAttributesFromVertex(
 
 export function safetySettingToMldev(
   fromObject: types.SafetySetting,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4259,12 +4508,17 @@ export function safetySettingToMldev(
 
 export function scribbleImageToVertex(
   fromObject: types.ScribbleImage,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromImage = common.getValueByPath(fromObject, ['image']);
   if (fromImage != null) {
-    common.setValueByPath(toObject, ['image'], imageToVertex(fromImage));
+    common.setValueByPath(
+      toObject,
+      ['image'],
+      imageToVertex(fromImage, rootObject),
+    );
   }
 
   return toObject;
@@ -4273,6 +4527,7 @@ export function scribbleImageToVertex(
 export function segmentImageConfigToVertex(
   fromObject: types.SegmentImageConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4334,6 +4589,7 @@ export function segmentImageConfigToVertex(
 export function segmentImageParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.SegmentImageParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4348,12 +4604,12 @@ export function segmentImageParametersToVertex(
 
   const fromSource = common.getValueByPath(fromObject, ['source']);
   if (fromSource != null) {
-    segmentImageSourceToVertex(fromSource, toObject);
+    segmentImageSourceToVertex(fromSource, toObject, rootObject);
   }
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    segmentImageConfigToVertex(fromConfig, toObject);
+    segmentImageConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -4361,6 +4617,7 @@ export function segmentImageParametersToVertex(
 
 export function segmentImageResponseFromVertex(
   fromObject: types.SegmentImageResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4369,7 +4626,7 @@ export function segmentImageResponseFromVertex(
     let transformedList = fromGeneratedMasks;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedImageMaskFromVertex(item);
+        return generatedImageMaskFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedMasks'], transformedList);
@@ -4381,6 +4638,7 @@ export function segmentImageResponseFromVertex(
 export function segmentImageSourceToVertex(
   fromObject: types.SegmentImageSource,
   parentObject: Record<string, unknown>,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4394,7 +4652,7 @@ export function segmentImageSourceToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'image'],
-      imageToVertex(fromImage),
+      imageToVertex(fromImage, rootObject),
     );
   }
 
@@ -4405,7 +4663,7 @@ export function segmentImageSourceToVertex(
     common.setValueByPath(
       parentObject,
       ['instances[0]', 'scribble'],
-      scribbleImageToVertex(fromScribbleImage),
+      scribbleImageToVertex(fromScribbleImage, rootObject),
     );
   }
 
@@ -4414,6 +4672,7 @@ export function segmentImageSourceToVertex(
 
 export function speechConfigToVertex(
   fromObject: types.SpeechConfig,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4440,6 +4699,7 @@ export function speechConfigToVertex(
 
 export function toolConfigToMldev(
   fromObject: types.ToolConfig,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4450,7 +4710,7 @@ export function toolConfigToMldev(
     common.setValueByPath(
       toObject,
       ['functionCallingConfig'],
-      functionCallingConfigToMldev(fromFunctionCallingConfig),
+      functionCallingConfigToMldev(fromFunctionCallingConfig, rootObject),
     );
   }
 
@@ -4464,7 +4724,10 @@ export function toolConfigToMldev(
   return toObject;
 }
 
-export function toolToMldev(fromObject: types.Tool): Record<string, unknown> {
+export function toolToMldev(
+  fromObject: types.Tool,
+  rootObject?: unknown,
+): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromFunctionDeclarations = common.getValueByPath(fromObject, [
@@ -4525,7 +4788,7 @@ export function toolToMldev(fromObject: types.Tool): Record<string, unknown> {
     common.setValueByPath(
       toObject,
       ['googleMaps'],
-      googleMapsToMldev(fromGoogleMaps),
+      googleMapsToMldev(fromGoogleMaps, rootObject),
     );
   }
 
@@ -4534,7 +4797,7 @@ export function toolToMldev(fromObject: types.Tool): Record<string, unknown> {
     common.setValueByPath(
       toObject,
       ['googleSearch'],
-      googleSearchToMldev(fromGoogleSearch),
+      googleSearchToMldev(fromGoogleSearch, rootObject),
     );
   }
 
@@ -4546,7 +4809,10 @@ export function toolToMldev(fromObject: types.Tool): Record<string, unknown> {
   return toObject;
 }
 
-export function toolToVertex(fromObject: types.Tool): Record<string, unknown> {
+export function toolToVertex(
+  fromObject: types.Tool,
+  rootObject?: unknown,
+): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromFunctionDeclarations = common.getValueByPath(fromObject, [
@@ -4556,7 +4822,7 @@ export function toolToVertex(fromObject: types.Tool): Record<string, unknown> {
     let transformedList = fromFunctionDeclarations;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return functionDeclarationToVertex(item);
+        return functionDeclarationToVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['functionDeclarations'], transformedList);
@@ -4625,6 +4891,7 @@ export function toolToVertex(fromObject: types.Tool): Record<string, unknown> {
 
 export function tunedModelInfoFromMldev(
   fromObject: types.TunedModelInfo,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4648,6 +4915,7 @@ export function tunedModelInfoFromMldev(
 
 export function tunedModelInfoFromVertex(
   fromObject: types.TunedModelInfo,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4675,6 +4943,7 @@ export function tunedModelInfoFromVertex(
 export function updateModelConfigToMldev(
   fromObject: types.UpdateModelConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4705,6 +4974,7 @@ export function updateModelConfigToMldev(
 export function updateModelConfigToVertex(
   fromObject: types.UpdateModelConfig,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4735,6 +5005,7 @@ export function updateModelConfigToVertex(
 export function updateModelParametersToMldev(
   apiClient: ApiClient,
   fromObject: types.UpdateModelParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4749,7 +5020,7 @@ export function updateModelParametersToMldev(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    updateModelConfigToMldev(fromConfig, toObject);
+    updateModelConfigToMldev(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -4758,6 +5029,7 @@ export function updateModelParametersToMldev(
 export function updateModelParametersToVertex(
   apiClient: ApiClient,
   fromObject: types.UpdateModelParameters,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4772,7 +5044,7 @@ export function updateModelParametersToVertex(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    updateModelConfigToVertex(fromConfig, toObject);
+    updateModelConfigToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -4781,6 +5053,7 @@ export function updateModelParametersToVertex(
 export function upscaleImageAPIConfigInternalToVertex(
   fromObject: _internal_types.UpscaleImageAPIConfigInternal,
   parentObject: Record<string, unknown>,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4897,6 +5170,7 @@ export function upscaleImageAPIConfigInternalToVertex(
 export function upscaleImageAPIParametersInternalToVertex(
   apiClient: ApiClient,
   fromObject: _internal_types.UpscaleImageAPIParametersInternal,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4914,7 +5188,7 @@ export function upscaleImageAPIParametersInternalToVertex(
     common.setValueByPath(
       toObject,
       ['instances[0]', 'image'],
-      imageToVertex(fromImage),
+      imageToVertex(fromImage, rootObject),
     );
   }
 
@@ -4931,7 +5205,7 @@ export function upscaleImageAPIParametersInternalToVertex(
 
   const fromConfig = common.getValueByPath(fromObject, ['config']);
   if (fromConfig != null) {
-    upscaleImageAPIConfigInternalToVertex(fromConfig, toObject);
+    upscaleImageAPIConfigInternalToVertex(fromConfig, toObject, rootObject);
   }
 
   return toObject;
@@ -4939,6 +5213,7 @@ export function upscaleImageAPIParametersInternalToVertex(
 
 export function upscaleImageResponseFromVertex(
   fromObject: types.UpscaleImageResponse,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4956,7 +5231,7 @@ export function upscaleImageResponseFromVertex(
     let transformedList = fromGeneratedImages;
     if (Array.isArray(transformedList)) {
       transformedList = transformedList.map((item) => {
-        return generatedImageFromVertex(item);
+        return generatedImageFromVertex(item, rootObject);
       });
     }
     common.setValueByPath(toObject, ['generatedImages'], transformedList);
@@ -4967,6 +5242,7 @@ export function upscaleImageResponseFromVertex(
 
 export function videoFromMldev(
   fromObject: types.Video,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -4990,6 +5266,7 @@ export function videoFromMldev(
 
 export function videoFromVertex(
   fromObject: types.Video,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
@@ -5015,12 +5292,17 @@ export function videoFromVertex(
 
 export function videoGenerationMaskToVertex(
   fromObject: types.VideoGenerationMask,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromImage = common.getValueByPath(fromObject, ['image']);
   if (fromImage != null) {
-    common.setValueByPath(toObject, ['_self'], imageToVertex(fromImage));
+    common.setValueByPath(
+      toObject,
+      ['_self'],
+      imageToVertex(fromImage, rootObject),
+    );
   }
 
   const fromMaskMode = common.getValueByPath(fromObject, ['maskMode']);
@@ -5033,12 +5315,17 @@ export function videoGenerationMaskToVertex(
 
 export function videoGenerationReferenceImageToMldev(
   fromObject: types.VideoGenerationReferenceImage,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromImage = common.getValueByPath(fromObject, ['image']);
   if (fromImage != null) {
-    common.setValueByPath(toObject, ['image'], imageToMldev(fromImage));
+    common.setValueByPath(
+      toObject,
+      ['image'],
+      imageToMldev(fromImage, rootObject),
+    );
   }
 
   const fromReferenceType = common.getValueByPath(fromObject, [
@@ -5053,12 +5340,17 @@ export function videoGenerationReferenceImageToMldev(
 
 export function videoGenerationReferenceImageToVertex(
   fromObject: types.VideoGenerationReferenceImage,
+  rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromImage = common.getValueByPath(fromObject, ['image']);
   if (fromImage != null) {
-    common.setValueByPath(toObject, ['image'], imageToVertex(fromImage));
+    common.setValueByPath(
+      toObject,
+      ['image'],
+      imageToVertex(fromImage, rootObject),
+    );
   }
 
   const fromReferenceType = common.getValueByPath(fromObject, [
@@ -5071,7 +5363,10 @@ export function videoGenerationReferenceImageToVertex(
   return toObject;
 }
 
-export function videoToMldev(fromObject: types.Video): Record<string, unknown> {
+export function videoToMldev(
+  fromObject: types.Video,
+  _rootObject?: unknown,
+): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
   const fromUri = common.getValueByPath(fromObject, ['uri']);
@@ -5094,6 +5389,7 @@ export function videoToMldev(fromObject: types.Video): Record<string, unknown> {
 
 export function videoToVertex(
   fromObject: types.Video,
+  _rootObject?: unknown,
 ): Record<string, unknown> {
   const toObject: Record<string, unknown> = {};
 
diff --git a/src/models.ts b/src/models.ts
index 7d1431891..bccb3ee42 100644
--- a/src/models.ts
+++ b/src/models.ts
@@ -11,7 +11,7 @@ import {ApiClient} from './_api_client.js';
 import * as common from './_common.js';
 import {BaseModule} from './_common.js';
 import * as _internal_types from './_internal_types.js';
-import {tContents} from './_transformers.js';
+import {tContents, tIsVertexEmbedContentModel} from './_transformers.js';
 import * as converters from './converters/_models_converters.js';
 import * as mcp from './mcp/_mcp.js';
 import {PagedItem, Pager} from './pagers.js';
@@ -22,6 +22,60 @@ export class Models extends BaseModule {
     super();
   }
 
+  /**
+   * Calculates embeddings for the given contents.
+   *
+   * @param params - The parameters for embedding contents.
+   * @return The response from the API.
+   *
+   * @example
+   * ```ts
+   * const response = await ai.models.embedContent({
+   *  model: 'text-embedding-004',
+   *  contents: [
+   *    'What is your name?',
+   *    'What is your favorite color?',
+   *  ],
+   *  config: {
+   *    outputDimensionality: 64,
+   *  },
+   * });
+   * console.log(response);
+   * ```
+   */
+  embedContent = async (
+    params: types.EmbedContentParameters,
+  ): Promise<types.EmbedContentResponse> => {
+    if (!this.apiClient.isVertexAI()) {
+      return await this.embedContentInternal(params);
+    }
+    const isVertexEmbedContentModel =
+      (params.model.includes('gemini') &&
+        params.model !== 'gemini-embedding-001') ||
+      params.model.includes('maas');
+
+    if (isVertexEmbedContentModel) {
+      const contents = tContents(params.contents);
+      if (contents.length > 1) {
+        throw new Error(
+          'The embedContent API for this model only supports one content at a time.',
+        );
+      }
+      const paramsPrivate: types.EmbedContentParametersPrivate = {
+        ...params,
+        content: contents[0],
+        embeddingApiType: types.EmbeddingApiType.EMBED_CONTENT,
+      };
+      return await this.embedContentInternal(paramsPrivate);
+    } else {
+      const paramsPrivate: types.EmbedContentParametersPrivate = {
+        ...params,
+        embeddingApiType: types.EmbeddingApiType.PREDICT,
+      };
+      return await this.embedContentInternal(paramsPrivate);
+    }
+  };
+
   /**
    * Makes an API request to generate content with a given model.
    *
@@ -628,6 +682,7 @@ export class Models extends BaseModule {
       const body = converters.generateContentParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:generateContent',
@@ -657,7 +712,10 @@ export class Models extends BaseModule {
         }) as Promise<types.GenerateContentResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.generateContentResponseFromVertex(apiResponse);
+        const resp = converters.generateContentResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.GenerateContentResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -666,6 +724,7 @@ export class Models extends BaseModule {
       const body = converters.generateContentParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:generateContent',
@@ -695,7 +754,10 @@ export class Models extends BaseModule {
         }) as Promise<types.GenerateContentResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.generateContentResponseFromMldev(apiResponse);
+        const resp = converters.generateContentResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.GenerateContentResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -714,6 +776,7 @@ export class Models extends BaseModule {
       const body = converters.generateContentParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:streamGenerateContent?alt=sse',
@@ -739,6 +802,7 @@ export class Models extends BaseModule {
         for await (const chunk of apiResponse) {
           const resp = converters.generateContentResponseFromVertex(
             (await chunk.json()) as types.GenerateContentResponse,
+            params,
           );
 
           resp['sdkHttpResponse'] = {
@@ -754,6 +818,7 @@ export class Models extends BaseModule {
       const body = converters.generateContentParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:streamGenerateContent?alt=sse',
@@ -779,6 +844,7 @@ export class Models extends BaseModule {
         for await (const chunk of apiResponse) {
           const resp = converters.generateContentResponseFromMldev(
             (await chunk.json()) as types.GenerateContentResponse,
+            params,
           );
 
           resp['sdkHttpResponse'] = {
@@ -814,20 +880,24 @@ export class Models extends BaseModule {
    * console.log(response);
    * ```
    */
-  async embedContent(
-    params: types.EmbedContentParameters,
+  private async embedContentInternal(
+    params: types.EmbedContentParametersPrivate,
   ): Promise<types.EmbedContentResponse> {
     let response: Promise<types.EmbedContentResponse>;
 
     let path: string = '';
     let queryParams: Record<string, string> = {};
     if (this.apiClient.isVertexAI()) {
-      const body = converters.embedContentParametersToVertex(
+      const body = converters.embedContentParametersPrivateToVertex(
         this.apiClient,
         params,
+        params,
       );
+      const endpointUrl = tIsVertexEmbedContentModel(params.model)
+        ? '{model}:embedContent'
+        : '{model}:predict';
       path = common.formatMap(
-        '{model}:predict',
+        endpointUrl,
         body['_url'] as Record<string, unknown>,
       );
       queryParams = body['_query'] as Record<string, string>;
@@ -854,15 +924,19 @@ export class Models extends BaseModule {
         }) as Promise<types.EmbedContentResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.embedContentResponseFromVertex(apiResponse);
+        const resp = converters.embedContentResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.EmbedContentResponse();
         Object.assign(typedResp, resp);
         return typedResp;
       });
     } else {
-      const body = converters.embedContentParametersToMldev(
+      const body = converters.embedContentParametersPrivateToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:batchEmbedContents',
@@ -892,7 +966,10 @@ export class Models extends BaseModule {
         }) as Promise<types.EmbedContentResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.embedContentResponseFromMldev(apiResponse);
+        const resp = converters.embedContentResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.EmbedContentResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -914,6 +991,7 @@ export class Models extends BaseModule {
       const body = converters.generateImagesParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predict',
@@ -943,7 +1021,10 @@ export class Models extends BaseModule {
         }) as Promise<types.GenerateImagesResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.generateImagesResponseFromVertex(apiResponse);
+        const resp = converters.generateImagesResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.GenerateImagesResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -952,6 +1033,7 @@ export class Models extends BaseModule {
       const body = converters.generateImagesParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predict',
@@ -981,7 +1063,10 @@ export class Models extends BaseModule {
         }) as Promise<types.GenerateImagesResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.generateImagesResponseFromMldev(apiResponse);
+        const resp = converters.generateImagesResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.GenerateImagesResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1003,6 +1088,7 @@ export class Models extends BaseModule {
       const body = converters.editImageParametersInternalToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predict',
@@ -1032,7 +1118,10 @@ export class Models extends BaseModule {
         }) as Promise<types.EditImageResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.editImageResponseFromVertex(apiResponse);
+        const resp = converters.editImageResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.EditImageResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1056,6 +1145,7 @@ export class Models extends BaseModule {
       const body = converters.upscaleImageAPIParametersInternalToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predict',
@@ -1085,7 +1175,10 @@ export class Models extends BaseModule {
         }) as Promise<types.UpscaleImageResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.upscaleImageResponseFromVertex(apiResponse);
+        const resp = converters.upscaleImageResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.UpscaleImageResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1144,6 +1237,7 @@ export class Models extends BaseModule {
       const body = converters.recontextImageParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predict',
@@ -1167,7 +1261,10 @@ export class Models extends BaseModule {
         }) as Promise<types.RecontextImageResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.recontextImageResponseFromVertex(apiResponse);
+        const resp = converters.recontextImageResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.RecontextImageResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1208,6 +1305,7 @@ export class Models extends BaseModule {
       const body = converters.segmentImageParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predict',
@@ -1231,7 +1329,10 @@ export class Models extends BaseModule {
         }) as Promise<types.SegmentImageResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.segmentImageResponseFromVertex(apiResponse);
+        const resp = converters.segmentImageResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.SegmentImageResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1258,6 +1359,7 @@ export class Models extends BaseModule {
       const body = converters.getModelParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{name}',
@@ -1281,12 +1383,16 @@ export class Models extends BaseModule {
         }) as Promise<types.Model>;
 
       return response.then((apiResponse) => {
-        const resp = converters.modelFromVertex(apiResponse);
+        const resp = converters.modelFromVertex(apiResponse, params);
 
         return resp as types.Model;
       });
     } else {
-      const body = converters.getModelParametersToMldev(this.apiClient, params);
+      const body = converters.getModelParametersToMldev(
+        this.apiClient,
+        params,
+        params,
+      );
       path = common.formatMap(
         '{name}',
         body['_url'] as Record<string, unknown>,
@@ -1309,7 +1415,7 @@ export class Models extends BaseModule {
         }) as Promise<types.Model>;
 
       return response.then((apiResponse) => {
-        const resp = converters.modelFromMldev(apiResponse);
+        const resp = converters.modelFromMldev(apiResponse, params);
 
         return resp as types.Model;
       });
@@ -1327,6 +1433,7 @@ export class Models extends BaseModule {
       const body = converters.listModelsParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{models_url}',
@@ -1356,7 +1463,10 @@ export class Models extends BaseModule {
         }) as Promise<types.ListModelsResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.listModelsResponseFromVertex(apiResponse);
+        const resp = converters.listModelsResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.ListModelsResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1365,6 +1475,7 @@ export class Models extends BaseModule {
       const body = converters.listModelsParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{models_url}',
@@ -1394,7 +1505,10 @@ export class Models extends BaseModule {
         }) as Promise<types.ListModelsResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.listModelsResponseFromMldev(apiResponse);
+        const resp = converters.listModelsResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.ListModelsResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1428,6 +1542,7 @@ export class Models extends BaseModule {
       const body = converters.updateModelParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}',
@@ -1451,7 +1566,7 @@ export class Models extends BaseModule {
         }) as Promise<types.Model>;
 
       return response.then((apiResponse) => {
-        const resp = converters.modelFromVertex(apiResponse);
+        const resp = converters.modelFromVertex(apiResponse, params);
 
         return resp as types.Model;
       });
@@ -1459,6 +1574,7 @@ export class Models extends BaseModule {
       const body = converters.updateModelParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{name}',
@@ -1482,7 +1598,7 @@ export class Models extends BaseModule {
         }) as Promise<types.Model>;
 
       return response.then((apiResponse) => {
-        const resp = converters.modelFromMldev(apiResponse);
+        const resp = converters.modelFromMldev(apiResponse, params);
 
         return resp as types.Model;
       });
@@ -1511,6 +1627,7 @@ export class Models extends BaseModule {
       const body = converters.deleteModelParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{name}',
@@ -1540,7 +1657,10 @@ export class Models extends BaseModule {
         }) as Promise<types.DeleteModelResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.deleteModelResponseFromVertex(apiResponse);
+        const resp = converters.deleteModelResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.DeleteModelResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1549,6 +1669,7 @@ export class Models extends BaseModule {
       const body = converters.deleteModelParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{name}',
@@ -1578,7 +1699,10 @@ export class Models extends BaseModule {
         }) as Promise<types.DeleteModelResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.deleteModelResponseFromMldev(apiResponse);
+        const resp = converters.deleteModelResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.DeleteModelResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1613,6 +1737,7 @@ export class Models extends BaseModule {
       const body = converters.countTokensParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:countTokens',
@@ -1642,7 +1767,10 @@ export class Models extends BaseModule {
         }) as Promise<types.CountTokensResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.countTokensResponseFromVertex(apiResponse);
+        const resp = converters.countTokensResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.CountTokensResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1651,6 +1779,7 @@ export class Models extends BaseModule {
       const body = converters.countTokensParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:countTokens',
@@ -1680,7 +1809,10 @@ export class Models extends BaseModule {
         }) as Promise<types.CountTokensResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.countTokensResponseFromMldev(apiResponse);
+        const resp = converters.countTokensResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.CountTokensResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1717,6 +1849,7 @@ export class Models extends BaseModule {
       const body = converters.computeTokensParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:computeTokens',
@@ -1746,7 +1879,10 @@ export class Models extends BaseModule {
         }) as Promise<types.ComputeTokensResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.computeTokensResponseFromVertex(apiResponse);
+        const resp = converters.computeTokensResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.ComputeTokensResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1770,6 +1906,7 @@ export class Models extends BaseModule {
       const body = converters.generateVideosParametersToVertex(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predictLongRunning',
@@ -1793,7 +1930,10 @@ export class Models extends BaseModule {
         }) as Promise<types.GenerateVideosOperation>;
 
       return response.then((apiResponse) => {
-        const resp = converters.generateVideosOperationFromVertex(apiResponse);
+        const resp = converters.generateVideosOperationFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.GenerateVideosOperation();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -1802,6 +1942,7 @@ export class Models extends BaseModule {
       const body = converters.generateVideosParametersToMldev(
         this.apiClient,
         params,
+        params,
       );
       path = common.formatMap(
         '{model}:predictLongRunning',
@@ -1825,7 +1966,10 @@ export class Models extends BaseModule {
         }) as Promise<types.GenerateVideosOperation>;
 
       return response.then((apiResponse) => {
-        const resp = converters.generateVideosOperationFromMldev(apiResponse);
+        const resp = converters.generateVideosOperationFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.GenerateVideosOperation();
         Object.assign(typedResp, resp);
         return typedResp;
diff --git a/src/tunings.ts b/src/tunings.ts
index 6f61c04d1..53de11793 100644
--- a/src/tunings.ts
+++ b/src/tunings.ts
@@ -153,7 +153,7 @@ export class Tunings extends BaseModule {
         }) as Promise<types.TuningJob>;
 
       return response.then((apiResponse) => {
-        const resp = converters.tuningJobFromVertex(apiResponse);
+        const resp = converters.tuningJobFromVertex(apiResponse, params);
 
         return resp as types.TuningJob;
       });
@@ -187,7 +187,7 @@ export class Tunings extends BaseModule {
         }) as Promise<types.TuningJob>;
 
       return response.then((apiResponse) => {
-        const resp = converters.tuningJobFromMldev(apiResponse);
+        const resp = converters.tuningJobFromMldev(apiResponse, params);
 
         return resp as types.TuningJob;
       });
@@ -231,7 +231,10 @@ export class Tunings extends BaseModule {
         }) as Promise<types.ListTuningJobsResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.listTuningJobsResponseFromVertex(apiResponse);
+        const resp = converters.listTuningJobsResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.ListTuningJobsResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -266,7 +269,10 @@ export class Tunings extends BaseModule {
         }) as Promise<types.ListTuningJobsResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.listTuningJobsResponseFromMldev(apiResponse);
+        const resp = converters.listTuningJobsResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.ListTuningJobsResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -322,7 +328,10 @@ export class Tunings extends BaseModule {
         }) as Promise<types.CancelTuningJobResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.cancelTuningJobResponseFromVertex(apiResponse);
+        const resp = converters.cancelTuningJobResponseFromVertex(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.CancelTuningJobResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -357,7 +366,10 @@ export class Tunings extends BaseModule {
         }) as Promise<types.CancelTuningJobResponse>;
 
       return response.then((apiResponse) => {
-        const resp = converters.cancelTuningJobResponseFromMldev(apiResponse);
+        const resp = converters.cancelTuningJobResponseFromMldev(
+          apiResponse,
+          params,
+        );
         const typedResp = new types.CancelTuningJobResponse();
         Object.assign(typedResp, resp);
         return typedResp;
@@ -405,7 +417,7 @@ export class Tunings extends BaseModule {
         }) as Promise<types.TuningJob>;
 
       return response.then((apiResponse) => {
-        const resp = converters.tuningJobFromVertex(apiResponse);
+        const resp = converters.tuningJobFromVertex(apiResponse, params);
 
         return resp as types.TuningJob;
       });
@@ -458,7 +470,7 @@ export class Tunings extends BaseModule {
         }) as Promise<types.TuningOperation>;
 
       return response.then((apiResponse) => {
-        const resp = converters.tuningOperationFromMldev(apiResponse);
+        const resp = converters.tuningOperationFromMldev(apiResponse, params);
 
         return resp as types.TuningOperation;
       });
diff --git a/src/types.ts b/src/types.ts
index 21a8a09a3..4503df407 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -766,6 +766,18 @@ export enum FunctionCallingConfigMode {
   VALIDATED = 'VALIDATED',
 }
 
+/** Enum representing the Vertex embedding API to use. */
+export enum EmbeddingApiType {
+  /**
+   * predict API endpoint (default)
+   */
+  PREDICT = 'PREDICT',
+  /**
+   * embedContent API Endpoint
+   */
+  EMBED_CONTENT = 'EMBED_CONTENT',
+}
+
 /** Enum that controls the safety filter level for objectionable content. */
 export enum SafetyFilterLevel {
   BLOCK_LOW_AND_ABOVE = 'BLOCK_LOW_AND_ABOVE',
@@ -3035,14 +3047,20 @@ export declare interface EmbedContentConfig {
   autoTruncate?: boolean;
 }
 
-/** Parameters for the embed_content method. */
-export declare interface EmbedContentParameters {
+/** Parameters for the _embed_content method. */
+export declare interface EmbedContentParametersPrivate {
   /** ID of the model to use. For a list of models, see `Google models
     <https://cloud.google.com/vertex-ai/generative-ai/docs/learn/models>`_. */
   model: string;
   /** The content to embed. Only the `parts.text` fields will be counted.
    */
-  contents: ContentListUnion;
+  contents?: ContentListUnion;
+  /** The single content to embed. Only the `parts.text` fields will be counted.
+   */
+  content?: ContentUnion;
+  /** The Vertex embedding API to use.
+   */
+  embeddingApiType?: EmbeddingApiType;
   /** Configuration that contains optional parameters.
    */
   config?: EmbedContentConfig;
@@ -6857,6 +6875,19 @@ export declare interface CreateTuningJobParameters {
   config?: CreateTuningJobConfig;
 }
 
+/** Parameters for the embed_content method. */
+export declare interface EmbedContentParameters {
+  /** ID of the model to use. For a list of models, see `Google models
+    <https://cloud.google.com/vertex-ai/generative-ai/docs/learn/models>`_. */
+  model: string;
+  /** The content to embed. Only the `parts.text` fields will be counted.
+   */
+  contents: ContentListUnion;
+  /** Configuration that contains optional parameters.
+   */
+  config?: EmbedContentConfig;
+}
+
 /** The response when long-running operation for uploading a file to a FileSearchStore complete. */
 export class UploadToFileSearchStoreResponse {
   /** Used to retain the full HTTP response. */