Validations:
Must be an identifier, string from 1 to 128 characters containing only alphanumeric characters, dot(.), space, underscore(_), hypen(-) with no leading or trailing space.
パワーアクション。有効なアクションは (on/start)、(off/stop)、(soft/reboot)、(cycle/reset)、(state/status) です。
Must be a String