---
title: AVKit metadata identifiers
framework: AVKit
role: collectionGroup
role_heading: API Collection
path: avkit/avkit-metadata-identifiers
---

# AVKit metadata identifiers

Additional metadata that an asset contains.

## Topics

### Displayed metadata

- [AVKitMetadataIdentifierExactStartDate](avkit/avkitmetadataidentifierexactstartdate.md)
- [AVKitMetadataIdentifierExactEndDate](avkit/avkitmetadataidentifierexactenddate.md)
- [AVKitMetadataIdentifierApproximateStartDate](avkit/avkitmetadataidentifierapproximatestartdate.md)
- [AVKitMetadataIdentifierApproximateEndDate](avkit/avkitmetadataidentifierapproximateenddate.md)

### Nondisplayed metadata

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