AI-generated Key Takeaways
- 
          ProgrammaticCreativeSource is an enumeration that defines the types of programmatic creative sources. 
- 
          Programmatic creative sources can be associated with creatives provided by either the publisher or the advertiser. 
- 
          An 'UNKNOWN' value is returned if the actual value is not exposed by the requested API version. 
                  Service
               
               
                  ForecastService
                  LineItemService
                  ProposalLineItemService
               
            
                  Dependencies
               
               
            Types of programmatic creative sources.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Enumeration | Description | 
|---|---|
| PUBLISHER | Indicates that the programmatic line item is associated with creatives provided by the publisher. | 
| ADVERTISER | Indicates that the programmatic line item is associated with creatives provided by the advertiser. | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |