# Describes the format for available timer services start: description: Start a timer. fields: entity_id: description: Entity id of the timer to start. [optional] example: "timer.timer0" duration: description: Duration the timer requires to finish. [optional] example: "00:01:00 or 60" pause: description: Pause a timer. fields: entity_id: description: Entity id of the timer to pause. [optional] example: "timer.timer0" cancel: description: Cancel a timer. fields: entity_id: description: Entity id of the timer to cancel. [optional] example: "timer.timer0" finish: description: Finish a timer. fields: entity_id: description: Entity id of the timer to finish. [optional] example: "timer.timer0"