AdGroupAssetSetOperation

A single operation (create, remove) on an ad group asset set.

Fields
Union field operation operation. The mutate operation. operation can be only one of the following:
create	AdGroupAssetSet Create operation: No resource name is expected for the new ad group asset set.
remove	string Remove operation: A resource name for the removed ad group asset set is expected, in this format: customers/{customer_id}/adGroupAssetSets/{ad_group_id}~{asset_set_id}