---
title: identifier
framework: classkit
role: symbol
role_heading: Instance Property
path: classkit/clsactivityitem/identifier
---

# identifier

An identifier for the activity item.

## Declaration

```swift
var identifier: String { get }
```

## Discussion

Discussion Use a string that’s unique among the activity items attached to a particular activity.

## See Also

### Accessing Activity Item Information

- [title](classkit/clsactivityitem/title.md)