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# didChangeStatusBarOrientationNotification

Posted when the orientation of the app’s user interface changes.

```
nonisolated class let didChangeStatusBarOrientationNotification: NSNotification.Name
```

## Discussion

The `userInfo` dictionary contains an <doc://com.apple.documentation/documentation/Foundation/NSNumber> object that encapsulates a `UIInterfaceOrientation` value (see [`UIInterfaceOrientation`](/documentation/UIKit/UIInterfaceOrientation)). Use [`statusBarOrientationUserInfoKey`](/documentation/UIKit/UIApplication/statusBarOrientationUserInfoKey) to access this value

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