---
title: allowOverwrite
framework: virtualization
role: symbol
role_heading: Type Property
path: virtualization/vzmacauxiliarystorage/initializationoptions/allowoverwrite
---

# allowOverwrite

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

## Declaration

```swift
static var allowOverwrite: VZMacAuxiliaryStorage.InitializationOptions { get }
```