---
title: spatialPipeline
framework: phase
role: symbol
role_heading: Instance Property
path: phase/phasespatialmixerdefinition/spatialpipeline
---

# spatialPipeline

An object that adds sound layers for environmental effects.

## Declaration

```swift
var spatialPipeline: PHASESpatialPipeline { get }
```

## Discussion

Discussion The framework sets the value to the spatialPipeline initializer argument. See init(spatialPipeline:).