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# Disk unmount options

## Topics

### Constants

[`var kDADiskUnmountOptionDefault: Int`](/documentation/DiskArbitration/kDADiskUnmountOptionDefault)

[`var kDADiskUnmountOptionForce: Int`](/documentation/DiskArbitration/kDADiskUnmountOptionForce)

Unmount the volume even if files are still active.

[`var kDADiskUnmountOptionWhole: Int`](/documentation/DiskArbitration/kDADiskUnmountOptionWhole)

Unmount the volumes tied to the whole disk object.


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