---
title: "addSpatialMixerParameters(identifier:source:listener:)"
framework: phase
role: symbol
role_heading: Instance Method
path: "phase/phasemixerparameters/addspatialmixerparameters(identifier:source:listener:)"
---

# addSpatialMixerParameters(identifier:source:listener:)

Adds runtime parameters for a spatial mixer.

## Declaration

```swift
func addSpatialMixerParameters(identifier: String, source: PHASESource, listener: PHASEListener)
```

## Parameters

- `identifier`: The name of the spatial submixer.
- `source`: A location in the scene that plays audio.
- `listener`: An object that receives a source audio signal. The mixer scales and orients the sound the listener receives based on its doc://com.apple.phase/documentation/PHASE/PHASEObject/transform.

## See Also

### Positioning and Orienting Audio

- [addAmbientMixerParameters(identifier:listener:)](phase/phasemixerparameters/addambientmixerparameters(identifier:listener:).md)