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# MPMovieSourceTypeAvailableNotification

Posted when the source type of a movie was previously unknown and is newly available. There is no `userInfo` dictionary.

```
extern NSString * const MPMovieSourceTypeAvailableNotification;
```

## Discussion

To retrieve the source type of the movie, access the movie player’s [`movieSourceType`](/documentation/MediaPlayer/MPMoviePlayerController/movieSourceType) property. The movie player whose state has changed is available as the object associated with the notification.

---

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