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  "title" : "currentUserIdentifierDidChangeNotification"
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# currentUserIdentifierDidChangeNotification

The notification the system sends when a different user becomes current.

```
class let currentUserIdentifierDidChangeNotification: NSNotification.Name
```

## Discussion

The object of the notification is `nil`. The notification doesn’t add any keys to the <doc://com.apple.documentation/documentation/Foundation/NSNotification/userInfo> dictionary.

---

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