---
title: AUDIO_UNIT_VERSION
framework: Audio Unit
role: symbol
role_heading: Global Variable
platforms: [iOS 2.0+, iPadOS 2.0+, Mac Catalyst 13.0+, macOS 10.0+, tvOS 9.0+, visionOS 1.0+]
path: audiounit/audio_unit_version
---

# AUDIO_UNIT_VERSION

## Declaration

```swift
var AUDIO_UNIT_VERSION: Int32 { get }
```