AdGroupAdOperation

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

Fields
update_mask	FieldMask FieldMask that determines which resource fields are modified in an update.
policy_validation_parameter	PolicyValidationParameter Configuration for how policies are validated.
Union field operation operation. The mutate operation. operation can be only one of the following:
create	AdGroupAd Create operation: No resource name is expected for the new ad.
update	AdGroupAd Update operation: The ad is expected to have a valid resource name.
remove	string Remove operation: A resource name for the removed ad is expected, in this format: customers/{customer_id}/adGroupAds/{ad_group_id}~{ad_id}