rollout
Parameters
value
Optional. Unique identifier of this Rollout. Must be no longer than 63 characters and only lower case letters, digits, '.', '_' and '-' are allowed. If not specified by client, the server will generate one. The generated id will have the form of , where "date" is the create date in ISO 8601 format. "revision number" is a monotonically increasing positive number that is reset every day for each service. An example of the generated rollout_id is '2016-02-16r1'