---
title: MPMoviePlayerThumbnailErrorKey
framework: mediaplayer
role: symbol
role_heading: Global Variable
path: mediaplayer/mpmovieplayerthumbnailerrorkey
---

# MPMoviePlayerThumbnailErrorKey

## Declaration

```swift
let MPMoviePlayerThumbnailErrorKey: String
```

## Discussion

Discussion The value of this key is an NSError object identifying the error that occurred, if any.

## See Also

### Constants

- [MPMoviePlayerThumbnailImageKey](mediaplayer/mpmovieplayerthumbnailimagekey.md)
- [MPMoviePlayerThumbnailTimeKey](mediaplayer/mpmovieplayerthumbnailtimekey.md)