---
title: activityID
framework: widgetkit
role: symbol
role_heading: Instance Property
path: widgetkit/activityviewcontext/activityid
---

# activityID

A unique identifier for the Live Activity.

## Declaration

```swift
let activityID: String
```

## See Also

### Describing a Live Activity

- [attributes](widgetkit/activityviewcontext/attributes.md)
- [state](widgetkit/activityviewcontext/state.md)
- [isStale](widgetkit/activityviewcontext/isstale.md)