<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 12.0.0 -",
    "tvOS: 17.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "PHASE",
  "identifier" : "/documentation/PHASE/PHASEPushStreamNodeDefinition/init(mixerDefinition:format:identifier:)",
  "metadataVersion" : "0.1.0",
  "role" : "Initializer",
  "symbol" : {
    "kind" : "Initializer",
    "modules" : [
      "PHASE"
    ],
    "preciseIdentifier" : "c:objc(cs)PHASEPushStreamNodeDefinition(im)initWithMixerDefinition:format:identifier:"
  },
  "title" : "init(mixerDefinition:format:identifier:)"
}
-->

# init(mixerDefinition:format:identifier:)

Creates a named node definition for audio streams.

```
convenience init(mixerDefinition: PHASEMixerDefinition, format: AVAudioFormat, identifier: String)
```

## Parameters

`mixerDefinition`

An object that combines audio layers.

`format`

The format of the audio stream data.

`identifier`

A unique name for the node.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)