---
title: allowsUnloading
framework: Core Audio
role: symbol
role_heading: Instance Property
platforms: [macOS 15.0+]
path: coreaudio/audiohardwaresystem/allowsunloading
---

# allowsUnloading

A Bool where true indicates that this process wants the HAL to unload itself after a period of inactivity where there are no IOProcs and no listeners registered with any object.

## Declaration

```swift
var allowsUnloading: Bool { get throws }
```
