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: fan.decrease_speed(), fan.increase_speed(), fan.toggle(), fan.turn_off(), fan.turn_on(), 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.add_item(item), timer.cancel(), timer.cancel(), timer.pause(), timer.pause(), timer.start(duration), vacuum.pause(), vacuum.return_to_base(), vacuum.start(), vacuum.stop()
Devices:
fan.office 'Office Fan' = on
lock.vehicle_gate 'Vehicle gate lock' = locked
lock.wine_cellar 'Wine Cellar Lock' = locked
timer.study_session 'Study focus timer' = active
light.upstairs_master_bedroom_hue 'Upstairs Master Bedroom Hue' = off;darkkhaki (197, 215, 92);52%
todo.insurance_renewal_alerts 'Insurance renewal alerts' = 29
vacuum.left_corner_bot 'Left corner dirt sucker' = docked
light.hallway 'Hallway Lights' = on;100%
media_player.sony_bravia_tv 'Sony Smart LED TV' = off
light.front_balcony_homekit 'Front Balcony Light' = off;69%
user
set a nine hours and fifteen minutes study focus timer.
assistant
commencing timer for a duration of nine hours and fifteen minutes.
```homeassistant
{"service": "timer.start", "target_device": "timer.study_session", "duration": "09:15:00"}
```