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# MPMoviePlayerThumbnailImageRequestDidFinish

Posted when a request to capture a thumbnail from a movie has finished whether the request succeeded or failed. Upon successful capture of a thumbnail, the `userInfo` dictionary contains values for the following keys:

```
static let MPMoviePlayerThumbnailImageRequestDidFinish: NSNotification.Name
```

## Discussion

- <doc://com.apple.documentation/documentation/MediaPlayer/MPMoviePlayerThumbnailImageKey>
- <doc://com.apple.documentation/documentation/MediaPlayer/MPMoviePlayerThumbnailTimeKey>

If the capture request finished with an error, the `userInfo` dictionary contains values for the following two keys:

- <doc://com.apple.documentation/documentation/MediaPlayer/MPMoviePlayerThumbnailErrorKey>
- <doc://com.apple.documentation/documentation/MediaPlayer/MPMoviePlayerThumbnailTimeKey>

The movie player whose state has changed is available as the object associated with the notification. The methods to use for capturing movie thumbnails are described in Generating thumbnail images.

---

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