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# DADiskUnmountOptions

Options for DADiskUnmount().

```
typealias DADiskUnmountOptions = UInt32
```

## Topics

### Constants

[`kDADiskUnmountOptionForce`](/documentation/DiskArbitration/kDADiskUnmountOptionForce)

Unmount the volume even if files are still active.

[`kDADiskUnmountOptionWhole`](/documentation/DiskArbitration/kDADiskUnmountOptionWhole)

Unmount the volumes tied to the whole disk object.


---

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