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# externalMetadata

An array of additional metadata for the player item to supplement or replace an asset’s embedded metadata.

```
var externalMetadata: [AVMetadataItem] { get set }
```

## Discussion

<doc://com.apple.documentation/documentation/AVKit/AVPlayerViewController> supports displaying the following metadata identifiers:

- [`commonKeyTitle`](/documentation/AVFoundation/AVMetadataKey/commonKeyTitle)
- [`iTunesMetadataTrackSubTitle`](/documentation/AVFoundation/AVMetadataIdentifier/iTunesMetadataTrackSubTitle)
- [`commonIdentifierArtwork`](/documentation/AVFoundation/AVMetadataIdentifier/commonIdentifierArtwork)
- [`commonKeyDescription`](/documentation/AVFoundation/AVMetadataKey/commonKeyDescription)
- [`iTunesMetadataKeyContentRating`](/documentation/AVFoundation/AVMetadataKey/iTunesMetadataKeyContentRating)
- [`quickTimeMetadataKeyGenre`](/documentation/AVFoundation/AVMetadataKey/quickTimeMetadataKeyGenre)

---

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