---
title: MLMediaLoadExcludeSourcesKey
framework: medialibrary
role: symbol
role_heading: Global Variable
path: medialibrary/mlmedialoadexcludesourceskey
---

# MLMediaLoadExcludeSourcesKey

Defines which media sources to exclude when loading. This option is processed after MLMediaLoadIncludeSourcesKey. The value for this key is an array of strings (media source identifiers). For a list of valid media source identifiers, see Media Source Identifiers.

## Declaration

```swift
let MLMediaLoadExcludeSourcesKey: String
```

## See Also

### Constants

- [Aperture Media Group Type Identifiers](medialibrary/aperture-media-group-type-identifiers.md)
- [Final Cut Pro Media Group Type Identifiers](medialibrary/final-cut-pro-media-group-type-identifiers.md)
- [Folders Media Group Type Identifiers](medialibrary/folders-media-group-type-identifiers.md)
- [GarageBand Media Group Type Identifiers](medialibrary/garageband-media-group-type-identifiers.md)
- [Logic Media Group Type Identifiers](medialibrary/logic-media-group-type-identifiers.md)
- [MLMediaLoadAppFoldersKey](medialibrary/mlmedialoadappfolderskey.md)
- [MLMediaLoadAppleLoops](medialibrary/mlmedialoadappleloops.md)
- [MLMediaLoadFoldersKey](medialibrary/mlmedialoadfolderskey.md)
- [MLMediaLoadIncludeSourcesKey](medialibrary/mlmedialoadincludesourceskey.md)
- [MLMediaLoadMoviesFolder](medialibrary/mlmedialoadmoviesfolder.md)
- [MLMediaLoadSourceTypesKey](medialibrary/mlmedialoadsourcetypeskey.md)
- [MLMediaSourceApertureIdentifier](medialibrary/mlmediasourceapertureidentifier.md)
- [MLMediaSourceAppDefinedFoldersIdentifier](medialibrary/mlmediasourceappdefinedfoldersidentifier.md)
- [MLMediaSourceCustomFoldersIdentifier](medialibrary/mlmediasourcecustomfoldersidentifier.md)
- [MLMediaSourceFinalCutIdentifier](medialibrary/mlmediasourcefinalcutidentifier.md)