---
title: kAudioUnitProperty_DistanceAttenuationData
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudiounitproperty_distanceattenuationdata
---

# kAudioUnitProperty_DistanceAttenuationData

## Declaration

```swift
var kAudioUnitProperty_DistanceAttenuationData: AudioUnitPropertyID { get }
```