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(), timer.add_item(item), timer.cancel(), timer.pause()
Devices:
todo.pet_vaccination_schedule 'Pet vaccination scheduler' = 30
light.upstairs_stairwell_zigbee 'Upstairs Stairwell Light' = off;lightseagreen (61, 171, 196);58%
lock.back_door 'Back Door Lock' = unlocked
user
can you add update address book to the pet vaccination scheduler?
assistant
i've put update address book on your todo list.
```homeassistant
{"service": "todo.add_item", "target_device": "todo.pet_vaccination_schedule", "item": "Update address book"}
```