---
title: "init(destNode:destInputNumber:cback:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/aunoderendercallback/init(destnode:destinputnumber:cback:)"
---

# init(destNode:destInputNumber:cback:)

## Declaration

```swift
init(destNode: AUNode, destInputNumber: AudioUnitElement, cback: AURenderCallbackStruct)
```