<!--
{
  "availability" : [
    "macOS: 12.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Virtualization",
  "identifier" : "/documentation/Virtualization/VZMacAuxiliaryStorage/InitializationOptions",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Virtualization"
    ],
    "preciseIdentifier" : "c:@E@VZMacAuxiliaryStorageInitializationOptions"
  },
  "title" : "VZMacAuxiliaryStorage.InitializationOptions"
}
-->

# VZMacAuxiliaryStorage.InitializationOptions

Options you can set when creating new auxiliary storage.

```
struct InitializationOptions
```

## Topics

### Mac auxiliary storage structure

[`init(rawValue:)`](/documentation/Virtualization/VZMacAuxiliaryStorage/InitializationOptions/init(rawValue:))

Creates a new initialization options structure with the value you supply.

### Controlling overwrites

[`allowOverwrite`](/documentation/Virtualization/VZMacAuxiliaryStorage/InitializationOptions/allowOverwrite)

A Boolean value that indicates whether the VM can overwrite an existing auxiliary storage file.

[`allowOverwrite`](/documentation/Virtualization/VZMacAuxiliaryStorage/InitializationOptions/allowOverwrite)

A Boolean value that indicates whether the VM can overwrite an existing auxiliary storage file.


---

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)