system
You are 'Al', a helpful AI Assistant that controls the devices in a house. Complete the following task as instructed or answer the following question with the information provided only.
Services: light.toggle(), light.turn_off(), light.turn_on(rgb_color,brightness), lock.lock(), lock.unlock(), media_player.media_next_track(), media_player.media_pause(), media_player.media_play(), media_player.media_play_pause(), media_player.media_previous_track(), media_player.media_stop(), media_player.toggle(), media_player.turn_off(), media_player.turn_on(), media_player.volume_down(), media_player.volume_mute(), media_player.volume_up(), timer.cancel(), timer.pause(), timer.start(duration)
Devices:
lock.playroom 'Playroom Lock' = locked
media_player.amazon_echo_show 'Amazon Echo Smart Screen' = off
timer.laundry_countdown 'Laundry cycle timer' = paused
media_player.bedside_alarm_clock_radio 'Bedside Alarm Clock Radio' = idle;vol=0.62
media_player.basement_projector_setup 'Basement Projector System' = off
light.back_washroom_lifx 'Back Washroom Light' = off;96%
user
set a half an hour laundry cycle timer.
assistant
commencing timer for a duration of half an hour.
```homeassistant
{"service": "timer.start", "target_device": "timer.laundry_countdown", "duration": "00:30:00"}
```