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# changedNotification

A notification that a pasteboard object posts when its contents change.

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

## Discussion

This happens at the same time the pasteboard’s change count ([`changeCount`](/documentation/UIKit/UIPasteboard/changeCount) property) is incremented. Changes include the addition, removal, and modification of pasteboard items. The `userInfo` dictionary may contain the representation types of pasteboard items that have been added to or removed from the pasteboard. See [UserInfo Dictionary Keys](/documentation/UIKit/userinfo-dictionary-keys) for the keys used to access these representation types. If pasteboard items have been modified but not added or removed, the `userInfo` dictionary is `nil`.

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