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

# extensionContexts

A set of all the currently loaded extension contexts.

## Declaration

```swift
var extensionContexts: Set<WKWebExtensionContext> { get }
```

## See Also

### Related Documentation

- [extensions](webkit/wkwebextensioncontroller/extensions.md)