# Topic DLO Mappings

The Topic 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 Topic](https://a.sfdcstatic.com/developer-website/sfdocs/data-cloud/media/data-cloud-dmo-mapping/standard_mappings/Topic_obj_mappings_v3.svg)

## Mappings to the InterestTagDefinition DMO Object

The Topic DLO is mapped to the [InterestTagDefinition DMO](/docs/data/data-cloud-dmo-mapping/guide/c360dm-si-interesttagdefinitiondmo-dmo.md).

![Mapping diagram for Topic DLO to InterestTagDefinition DMO](https://a.sfdcstatic.com/developer-website/sfdocs/data-cloud/media/data-cloud-dmo-mapping/standard_mappings/Topic_to_InterestTagDefinitionDmo_def_v3.svg)

- The Topic DLO field **DataSource** maps to the InterestTagDefinition DMO Object **DataSourceId** field.
- The Topic DLO field **DataSourceObject** maps to the InterestTagDefinition DMO Object **DataSourceObjectId** field.
- The Topic DLO field **Description** maps to the InterestTagDefinition DMO Object **Description** field.
- The Topic DLO field **Id** maps to the InterestTagDefinition DMO Object **Id** field.
- The Topic DLO field **Name** maps to the InterestTagDefinition DMO Object **NameInterfaceField** field.