---
title: id
framework: alarmkit
role: symbol
role_heading: Instance Property
path: alarmkit/alarm/id
---

# id

The unique identifier of the alarm.

## Declaration

```swift
var id: UUID
```

## See Also

### Defining a countdown duration

- [Alarm.CountdownDuration](alarmkit/alarm/countdownduration-swift.struct.md)
- [countdownDuration](alarmkit/alarm/countdownduration-swift.property.md)
- [Alarm.State](alarmkit/alarm/state-swift.enum.md)
- [state](alarmkit/alarm/state-swift.property.md)