---
title: identifier
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uidocumentbrowseraction/identifier
---

# identifier

The action’s unique identifier.

## Declaration

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

## See Also

### Accessing activity data

- [localizedTitle](uikit/uidocumentbrowseraction/localizedtitle.md)
- [availability](uikit/uidocumentbrowseraction/availability-swift.property.md)
- [UIDocumentBrowserAction.Availability](uikit/uidocumentbrowseraction/availability-swift.struct.md)