# ContentDocumentLink DLO Mappings

The ContentDocumentLink object is a Salesforce standard object that you can ingest and map to Data Model Objects (DMOs) for use in Data Cloud-powered features and agents.

![Object Mapping Diagram for ContentDocumentLink](https://a.sfdcstatic.com/developer-website/sfdocs/data-cloud/media/data-cloud-dmo-mapping/standard_mappings/ContentDocumentLink_obj_mappings_v3.svg)

## Mappings to the ContentDocumentRelationship DMO Object

The ContentDocumentLink DLO is mapped to the [ContentDocumentRelationship DMO](/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-contentdocumentrelationshipdmo-dmo.md).

![Mapping diagram for ContentDocumentLink DLO to ContentDocumentRelationship DMO](https://a.sfdcstatic.com/developer-website/sfdocs/data-cloud/media/data-cloud-dmo-mapping/standard_mappings/ContentDocumentLink_to_ContentDocumentRelationshipDmo_def_v3.svg)

- The ContentDocumentLink DLO field **ContentDocumentId** maps to the ContentDocumentRelationship DMO Object **ContentDocumentId** field.
- The ContentDocumentLink DLO field **DataSource** maps to the ContentDocumentRelationship DMO Object **DataSourceId** field.
- The ContentDocumentLink DLO field **DataSourceObject** maps to the ContentDocumentRelationship DMO Object **DataSourceObjectId** field.
- The ContentDocumentLink DLO field **Id** maps to the ContentDocumentRelationship DMO Object **Id** field.
- The ContentDocumentLink DLO field **LinkedEntityId** maps to the ContentDocumentRelationship DMO Object **RelatedItemId** field.
- The ContentDocumentLink DLO field **SystemModstamp** maps to the ContentDocumentRelationship DMO Object **LastModifiedDate** field.