<br />

## Description

Start a new timer.

## Fields

| Key | Type | Description |
|---|---|---|
| `devices` | \[[Device](https://developers.home.google.com/automations/schema/basics.md.txt#entity)\] | Devices that have timer function. Required |
| `duration` | [Duration](https://developers.home.google.com/automations/schema/basics.md.txt#duration) | The starting duration from which the timer will count down to zero. Required |

## Examples

```yaml
actions:
- type: device.command.TimerStart
  devices: My Device - Room Name
  duration: 10min
```