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), 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.add_item(item), timer.cancel(), timer.cancel(), timer.pause(), timer.pause(), timer.start(duration)
Devices:
media_player.backyard_outdoor_projector 'Backyard Projector' = playing;Annabelle: Creation;vol=0.68
light.backyard 'Backyard Light' = off;10%
media_player.denon_av_receiver 'Denon Audio-Video Receiver' = on;White Line Fever - 40th Anniversary Series;vol=0.5
todo.pet_vaccination_schedule 'Pet vaccination scheduler' = 16
light.upstairs_pantry_zwave 'Upstairs Pantry Light' = on;23%
light.front_mancave_ge 'Front Man Cave Light' = on;14%
timer.garden_watering 'Garden watering scheduler' = paused
light.upstairs_hallway_zwave 'Upstairs Hallway Light' = on;yellowgreen (131, 232, 88);13%
timer.timer0 'General purpose timer' = active
user
turn on the general purpose timer timer for half an hour.
assistant
countdown beginning for half an hour.
```homeassistant
{"service": "timer.start", "target_device": "timer.timer0", "duration": "00:30:00"}
```