---
title: componentVersion
framework: audiotoolbox
role: symbol
role_heading: Instance Property
path: audiotoolbox/auaudiounit/componentversion
---

# componentVersion

The audio unit’s component’s version.

## Declaration

```swift
var componentVersion: UInt32 { get }
```

## See Also

### Describing the Audio Unit

- [componentDescription](audiotoolbox/auaudiounit/componentdescription.md)
- [component](audiotoolbox/auaudiounit/component.md)
- [componentName](audiotoolbox/auaudiounit/componentname.md)
- [audioUnitName](audiotoolbox/auaudiounit/audiounitname.md)
- [audioUnitShortName](audiotoolbox/auaudiounit/audiounitshortname.md)
- [manufacturerName](audiotoolbox/auaudiounit/manufacturername.md)