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# UserInfo Dictionary Keys

Use these keys to access the representation types of pasteboard items that you add to, or remove from, a pasteboard.

## Topics

### Constants

[`UIPasteboardChangedTypesAddedKey`](/documentation/UIKit/UIPasteboard/changedTypesAddedUserInfoKey)

With the notification named [`changedNotification`](/documentation/UIKit/UIPasteboard/changedNotification), use this key to access the added representation types. These types are stored as an array in the notification’s `userInfo` dictionary.

[`UIPasteboardChangedTypesRemovedKey`](/documentation/UIKit/UIPasteboard/changedTypesRemovedUserInfoKey)

With the notification named [`changedNotification`](/documentation/UIKit/UIPasteboard/changedNotification), use this key to access the removed representation types. These types are stored as an array in the notification’s `userInfo` dictionary.


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