---
title: Media Source Identifiers
framework: medialibrary
role: collectionGroup
role_heading: API Collection
path: medialibrary/media-source-identifiers
---

# Media Source Identifiers

Identifiers for media sources which correspond to apps used to manage groups of media objects. Used with Load Options Keys.

## Topics

### Constants

- [MLMediaSourceiPhotoIdentifier](medialibrary/mlmediasourceiphotoidentifier.md)
- [MLMediaSourceiTunesIdentifier](medialibrary/mlmediasourceitunesidentifier.md)
- [MLMediaSourceApertureIdentifier](medialibrary/mlmediasourceapertureidentifier.md)
- [MLMediaSourceiMovieIdentifier](medialibrary/mlmediasourceimovieidentifier.md)
- [MLMediaSourceFinalCutIdentifier](medialibrary/mlmediasourcefinalcutidentifier.md)
- [MLMediaSourceGarageBandIdentifier](medialibrary/mlmediasourcegaragebandidentifier.md)
- [MLMediaSourceLogicIdentifier](medialibrary/mlmediasourcelogicidentifier.md)
- [MLMediaSourcePhotoBoothIdentifier](medialibrary/mlmediasourcephotoboothidentifier.md)

## See Also

### Constants

- [Load Options Keys](medialibrary/load-options-keys.md)
- [Non-App-Specific Media Source Identifiers](medialibrary/non-app-specific-media-source-identifiers.md)
- [Well-Known Folder Identifiers](medialibrary/well-known-folder-identifiers.md)