From 3648d4eaabf13672c0d3c0dbde4737aaaf301e38 Mon Sep 17 00:00:00 2001
From: burhansavci <burhansavci@gmail.com>
Date: Fri, 5 Sep 2025 15:06:57 +0300
Subject: [PATCH 1/2] Add SentTimestamp property to SQS metadata

---
 src/AWS.Messaging/SQSMetadata.cs                             | 5 +++++
 .../Serialization/Handlers/MessageMetadataHandler.cs         | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/AWS.Messaging/SQSMetadata.cs b/src/AWS.Messaging/SQSMetadata.cs
index 0943f57d..943daaf1 100644
--- a/src/AWS.Messaging/SQSMetadata.cs
+++ b/src/AWS.Messaging/SQSMetadata.cs
@@ -30,6 +30,11 @@ public class SQSMetadata
         /// </summary>
         public string? MessageGroupId { get; set; }
 
+        /// <summary>
+        /// The time at which the message was sent to the queue (epoch time in milliseconds).
+        /// </summary>
+        public string? SentTimestamp { get; set; }
+
         /// <summary>
         /// Each message attribute consists of a Name, Type, and Value.For more information, see Amazon SQS message attributes (https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-message-metadata.html#sqs-message-attributes)
         /// </summary>
diff --git a/src/AWS.Messaging/Serialization/Handlers/MessageMetadataHandler.cs b/src/AWS.Messaging/Serialization/Handlers/MessageMetadataHandler.cs
index 9a67e8a4..89017d68 100644
--- a/src/AWS.Messaging/Serialization/Handlers/MessageMetadataHandler.cs
+++ b/src/AWS.Messaging/Serialization/Handlers/MessageMetadataHandler.cs
@@ -31,6 +31,7 @@ public static SQSMetadata CreateSQSMetadata(Message message)
         {
             metadata.MessageGroupId = JsonPropertyHelper.GetAttributeValue(message.Attributes, "MessageGroupId");
             metadata.MessageDeduplicationId = JsonPropertyHelper.GetAttributeValue(message.Attributes, "MessageDeduplicationId");
+            metadata.SentTimestamp = JsonPropertyHelper.GetAttributeValue(message.Attributes, "SentTimestamp");
         }
 
         return metadata;

From abe4d03d558c13a941b0686a22f286fbaf162202 Mon Sep 17 00:00:00 2001
From: burhansavci <burhansavci@gmail.com>
Date: Fri, 5 Sep 2025 15:21:03 +0300
Subject: [PATCH 2/2] Add changelog for SentTimestamp in SQS metadata

---
 .../changes/45a6ab22-5bb9-4b65-bfb1-94571b502622.json | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 .autover/changes/45a6ab22-5bb9-4b65-bfb1-94571b502622.json

diff --git a/.autover/changes/45a6ab22-5bb9-4b65-bfb1-94571b502622.json b/.autover/changes/45a6ab22-5bb9-4b65-bfb1-94571b502622.json
new file mode 100644
index 00000000..69cdc7b3
--- /dev/null
+++ b/.autover/changes/45a6ab22-5bb9-4b65-bfb1-94571b502622.json
@@ -0,0 +1,11 @@
+{
+  "Projects": [
+    {
+      "Name": "AWS.Messaging",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Add SentTimestamp to SQSMetadata"
+      ]
+    }
+  ]
+}
\ No newline at end of file