A character string for the user to send commands to PM. He can use it to does the save command. Or to list the outlets that need to be turned off, or turned on , or cycled or locked or unlocked as a group. The command is the first word and is followed by a space and the outlet list (otulets commands). Valid commands are 'on', 'off', 'cycle', 'lock', 'unlock', 'save'.