<!--
{
  "availability" : [
    "macCatalyst: 13.0.0 -",
    "macOS: 10.4.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "DiskArbitration",
  "identifier" : "/documentation/DiskArbitration/DADiskOptions",
  "metadataVersion" : "0.1.0",
  "role" : "Type Alias",
  "symbol" : {
    "kind" : "Type Alias",
    "modules" : [
      "Disk Arbitration"
    ],
    "preciseIdentifier" : "c:@T@DADiskOptions"
  },
  "title" : "DADiskOptions"
}
-->

# DADiskOptions

Options for DADiskGetOptions() and DADiskSetOptions().

```
typealias DADiskOptions = UInt32
```

## Topics

### Constants

[kDADiskOptionEjectUponLogout](/documentation/DiskArbitration/kdadiskoptionejectuponlogout)

[kDADiskOptionMountAutomatic](/documentation/DiskArbitration/kdadiskoptionmountautomatic)

[kDADiskOptionMountAutomaticNoDefer](/documentation/DiskArbitration/kdadiskoptionmountautomaticnodefer)

[kDADiskOptionPrivate](/documentation/DiskArbitration/kdadiskoptionprivate)



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)