---
title: extensions
framework: webkit
role: symbol
role_heading: Instance Property
path: webkit/wkwebextensioncontroller/extensions
---

# extensions

A set of all the currently loaded extensions.

## Declaration

```swift
var extensions: Set<WKWebExtension> { get }
```

## See Also

### Related Documentation

- [extensionContexts](webkit/wkwebextensioncontroller/extensioncontexts.md)