---
title: AVKitMetadataIdentifierExternalContentIdentifier
framework: AVKit
role: symbol
role_heading: Global Variable
platforms: [tvOS 10.1+]
path: avkit/avkitmetadataidentifierexternalcontentidentifier
---

# AVKitMetadataIdentifierExternalContentIdentifier

The identifier for external content published through the Now Playing Info Center.

## Declaration

```swift
let AVKitMetadataIdentifierExternalContentIdentifier: String
```

## See Also

### Nondisplayed metadata

- [AVKitMetadataIdentifierPlaybackProgress](avkit/avkitmetadataidentifierplaybackprogress.md)
- [AVKitMetadataIdentifierExternalUserProfileIdentifier](avkit/avkitmetadataidentifierexternaluserprofileidentifier.md)
- [AVKitMetadataIdentifierServiceIdentifier](avkit/avkitmetadataidentifierserviceidentifier.md)