---
title: spatialExtensionDescription
framework: AudioAccessoryKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.4+]
path: audioaccessorykit/accessorycontroldevice/configuration-swift.struct/spatialextensiondescription
---

# spatialExtensionDescription

The spatial audio component description.

## Declaration

```swift
var spatialExtensionDescription: AudioComponentDescription?
```

## Discussion

Discussion Use this to help identify spatial audio rendering extension Only applicable when .audioSpatialization capability is enabled Example AudioComponentDescription(componentType: 0xaaf, componentSubType: 0xc0f, componentManufacturer: 0xb05e, componentFlags: 0, componentFlagsMask: 0)