---
title: noiseAmplitude
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/clothforcevolumecomponent/noiseamplitude
---

# noiseAmplitude

The amplitude of the noise applied to particles inside the volume.

## Declaration

```swift
var noiseAmplitude: Float { get set }
```

## Discussion

Discussion Must be non-negative; negative values are clamped to zero.

## See Also

### Adding force noise

- [noiseFrequency](realitykit/clothforcevolumecomponent/noisefrequency.md)