CampaignCriterionOperation

A single operation (create, update, remove) on a campaign criterion.

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	CampaignCriterion Create operation: No resource name is expected for the new criterion.
update	CampaignCriterion Update operation: The criterion is expected to have a valid resource name. Note that for smart campaigns, you cannot use the update method to edit the geolocation target.
remove	string Remove operation: A resource name for the removed criterion is expected, in this format: customers/{customer_id}/campaignCriteria/{campaign_id}~{criterion_id}