---
title: AUNode
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/aunode
---

# AUNode

A member of an audio processing graph, associated with an audio unit.

## Declaration

```swift
typealias AUNode = Int32
```

## See Also

### Data Types

- [AudioUnitNodeConnection](audiotoolbox/audiounitnodeconnection.md)
- [AUGraph](audiotoolbox/augraph.md)
- [AUNodeInteraction](audiotoolbox/aunodeinteraction.md)
- [AUNodeRenderCallback](audiotoolbox/aunoderendercallback.md)