diff --git a/app/gateway/doi/resource.py b/app/gateway/doi/resource.py
index 6bfa452..7f7a33a 100644
--- a/app/gateway/doi/resource.py
+++ b/app/gateway/doi/resource.py
@@ -10,8 +10,77 @@ class Event(enum.Enum):
 
 @dataclass
 class Creator:
+    # nameType = "Personal" or "Organizational"
+    # givenName
+    # familyName
+    # nameIdentifier = https://orcid.org/0000-0002-1825-0097
+    # nameIdentifierScheme = "ORCID"
+    # nameIdentifierSchemeURI = "https://orcid.org"
+    # affiliation: Affiliation = None
     name: str
 
+@dataclass
+class Afilliation:
+    pass
+    # name: str
+    # affiliationIdentifier
+    # affiliationIdentifierScheme
+    # affiliationIdentifierSchemeURI
+
+@dataclass
+class Contributor:
+    pass
+    # name: str
+    # nameType: = "Personal" or "Organizational"
+    # givenName
+    # familyName
+    # affiliation: Affiliation = None
+    # contributorType
+    # nameIdentifier = https://orcid.org/0000-0002-1825-0097
+    # nameIdentifierScheme = "ORCID"
+    # nameIdentifierSchemeURI = "https://orcid.org"
+
+@dataclass
+class ResourceDate:
+    pass
+    # date: str
+    # dateType: DateType
+    # dateInformation: str
+
+@dataclass
+class RelatedIdentifier:
+    pass
+    # relatedIdentifierType = "DOI"
+    # relationType = "IsNewVersionOf"
+    # relatedIdentifier: str
+    # resourceTypeGeneral = "Dataset"
+
+@dataclass
+class Right:
+    pass
+    # rights: str https://spdx.org/licenses/
+    # rightsURI: str
+    # rightsIdentifier: str
+    # rightsIdentifierScheme: str
+    # rightsIdentifierSchemeURI: str
+
+@dataclass
+class Description:
+    pass
+    # description: str = dataset description + provenance + temporal coverage
+    # descriptionType: DescriptionType = "Abstract"
+
+@dataclass
+class GeoLocationPoint:
+    pass
+    # pointLongitude: float
+    # pointLatitude: float
+
+@dataclass
+class GeoLocation:
+    pass
+    # geoLocationPlace: str
+    # geoLocationPoint: GeoLocationPoint = None
 
 @dataclass
 class Title:
@@ -36,9 +105,17 @@ class Attributes:
     publicationYear: int = None
     url: str = None
     types: Types = None
-    # If None will create as "DRAFT"
+    # When creating, if "event" is None will create DOI in "DRAFT" state
     event: str = None
-
+    # contributors: List[Contributor] = None
+    # dates: [ResourceDate] = None
+    # relatedIdentifiers: [RelatedIdentifier] = None
+    # sizes: List[str] = None # 10 files, 500 mb
+    # formats: List[str] = None # extensions normalized
+    # version: str = None
+    # rightsList: List[Right] = None
+    # descriptions: List[Description] = None
+    # geoLocations: List[GeoLocation] = None
 
 @dataclass
 class Data: