Hi Joe,

Thanks for submitting this feature request. 

It looks like these Playback Detail Dimensions are only available for YouTube's targeted queries / Analytics API. Most of the reports we include in our schema are from the Bulk Queries / Reporting API. The one exception is our AUDIENCE_RETENTION table, which uses the Analytics API.

We've explored adding more data from the Analytics API in the past. We ran into several issues. The biggest one is quota. YouTube's Analytics API quotas are very strict. We run into issues when trying to extract data from these endpoints. 

The second issue is that the API returns unclear error messages when using certain dimensions. We actually tested creatorContentType specifically. The viewer demographics report returned results with dimensions from the first row, but gave an error when we included creatorContentType in the request.

We may be able to overcome these issues, but they will make implementing this feature more complicated.

To help us limit the scope, what specific dimensions and metrics do you need? Would the report described here address your use case?

Best,
Luke