---
title: uniqueIdentifier
framework: homekit
role: symbol
role_heading: Instance Property
path: homekit/hmevent/uniqueidentifier
---

# uniqueIdentifier

A unique identifier for the event.

## Declaration

```swift
var uniqueIdentifier: UUID { get }
```

## See Also

### Getting information about the event

- [isSupported(for:)](homekit/hmevent/issupported(for:).md)