---
title: kAudioCodecContentSource_ApplePassthrough
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudiocodeccontentsource_applepassthrough
---

# kAudioCodecContentSource_ApplePassthrough

## Declaration

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