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# currentLocaleDidChangeNotification

A notification that indicates that the user’s locale changed.

```
class let currentLocaleDidChangeNotification: NSNotification.Name
```

## Discussion

Register for this notification if your app displays content (dates, times, numbers, and so on) that is affected by the locale. Use the notification to trigger updates to your app’s interface.

## See Also

[`NSNotification`](/documentation/Foundation/NSNotification)

A container for information broadcast through a notification center to all registered observers.


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