---
title: "init(sourceNode:sourceOutputNumber:destNode:destInputNumber:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/audiounitnodeconnection/init(sourcenode:sourceoutputnumber:destnode:destinputnumber:)"
---

# init(sourceNode:sourceOutputNumber:destNode:destInputNumber:)

## Declaration

```swift
init(sourceNode: AUNode, sourceOutputNumber: UInt32, destNode: AUNode, destInputNumber: UInt32)
```