UserListCustomerTypeOperation

A single mutate operation on the user list customer type.

Fields
Union field operation operation. The mutate operation. operation can be only one of the following:
create	UserListCustomerType Attach a user list customer type to a user list. No resource name is expected for the new user list customer type.
remove	string Remove an existing user list customer type. A resource name for the removed user list customer type is expected, in this format: customers/{customer_id}/userListCustomerTypes/{user_list_id}~{customer_type_category}