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# openWindows

The open windows that are exposed to this extension.

```
var openWindows: [any WKWebExtensionWindow] { get }
```

## Discussion

Provides the windows that are open and visible to the extension, as updated by the [`didOpenWindow(_:)`](/documentation/WebKit/WKWebExtensionContext/didOpenWindow(_:)) and [`didCloseWindow(_:)`](/documentation/WebKit/WKWebExtensionContext/didCloseWindow(_:)) methods.

Initially populated by the windows returned by the extension controller delegate method [`webExtensionController(_:openWindowsFor:)`](/documentation/WebKit/WKWebExtensionControllerDelegate/webExtensionController(_:openWindowsFor:)).

## See Also

[`didOpenWindow(_:)`](/documentation/WebKit/WKWebExtensionContext/didOpenWindow(_:))

Called by the app when a new window is opened to fire appropriate events with only this extension.

[`didCloseWindow(_:)`](/documentation/WebKit/WKWebExtensionContext/didCloseWindow(_:))

Called by the app when a window is closed to fire appropriate events with only this extension.


---

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