CampaignLabelOperation

A single operation (create, remove) on a campaign-label relationship.

Fields
Union field operation operation. The mutate operation. operation can be only one of the following:
create	CampaignLabel Create operation: No resource name is expected for the new campaign-label relationship.
remove	string Remove operation: A resource name for the campaign-label relationship being removed, in this format: customers/{customer_id}/campaignLabels/{campaign_id}~{label_id}