---
title: identifier
framework: BrowserKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.4+, iPadOS 26.4+]
path: browserkit/bebrowserdataextension/identifier
---

# identifier

A unique identifier for an extension.

## Declaration

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

## See Also

### Accessing extension metadata

- [developerName](browserkit/bebrowserdataextension/developername.md)
- [displayName](browserkit/bebrowserdataextension/displayname.md)
- [storeIdentifier](browserkit/bebrowserdataextension/storeidentifier.md)