AdGroupOperation

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

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