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# GarageBand Media Group Type Identifiers

Identifiers for media group types in the GarageBand media source. These constants are used to specify a media group’s [`typeIdentifier`](/documentation/MediaLibrary/MLMediaGroup/typeIdentifier) attribute.

## Topics

### Constants

[`let MLGarageBandRootGroupTypeIdentifier: String`](/documentation/MediaLibrary/MLGarageBandRootGroupTypeIdentifier)

The root media group for GarageBand.

[`let MLGarageBandFolderGroupTypeIdentifier: String`](/documentation/MediaLibrary/MLGarageBandFolderGroupTypeIdentifier)

A media group that represents a folder in GarageBand.


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