AdGroupCriterionCustomizerOperation

A single operation (create, remove) on a customizer attribute.

Fields
Union field operation operation. The mutate operation. operation can be only one of the following:
create	AdGroupCriterionCustomizer Create operation: No resource name is expected for the new ad group criterion customizer.
remove	string Remove operation: A resource name for the removed ad group criterion customizer is expected, in this format: customers/{customer_id}/adGroupCriterionCustomizers/{ad_group_id}~{criterion_id}~{customizer_attribute_id}