ExperimentArmOperation

A single operation on an experiment arm.

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	ExperimentArm Create operation
update	ExperimentArm Update operation: The experiment arm is expected to have a valid resource name.
remove	string Remove operation: The experiment arm is expected to have a valid resource name, in this format: customers/{customer_id}/experiments/{campaign_experiment_id}