---
title: "init(mixerDefinition:format:)"
framework: phase
role: symbol
role_heading: Initializer
path: "phase/phasepushstreamnodedefinition/init(mixerdefinition:format:)"
---

# init(mixerDefinition:format:)

Creates a node definition for audio streams.

## Declaration

```swift
init(mixerDefinition: PHASEMixerDefinition, format: AVAudioFormat)
```

## Parameters

- `mixerDefinition`: An object that combines audio layers.
- `format`: The format of the audio stream data.

## See Also

### Creating a Node

- [init(mixerDefinition:format:identifier:)](phase/phasepushstreamnodedefinition/init(mixerdefinition:format:identifier:).md)