CampaignCustomizerOperation

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	CampaignCustomizer Create operation: No resource name is expected for the new campaign customizer
remove	string Remove operation: A resource name for the removed campaign customizer is expected, in this format: customers/{customer_id}/campaignCustomizers/{campaign_id}~{customizer_attribute_id}