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  "title" : "didChangeAutomaticTextReplacementNotification"
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# didChangeAutomaticTextReplacementNotification

Posted when the spell checker changed text using automatic text replacement.  This notification is posted to the app’s default notification center.

```
class let didChangeAutomaticTextReplacementNotification: NSNotification.Name
```

## Discussion

To observe this notification using Swift concurrency, use [`NSSpellChecker.DidChangeAutomaticTextReplacementMessage`](/documentation/AppKit/NSSpellChecker/DidChangeAutomaticTextReplacementMessage).

---

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