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# TVTopShelfItemsDidChangeNotification

A notification to post when your app’s Top Shelf content has changed.

```
extern NSString * const TVTopShelfItemsDidChangeNotification;
```

## Discussion

When the content has changed, post a new notification using the default notification center (`[NSNotificationCenter defaultCenter]`). At some point in the future, the system will fetch the new data from your extension. The notification’s parameters are ignored and should be `nil`.

---

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