---
title: spawnSpreadFactorVariation
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/particleemittercomponent/spawnspreadfactorvariation
---

# spawnSpreadFactorVariation

Defines a plus/minus range from which a value is randomly selected to offset Spawn Spread Factor.

## Declaration

```swift
var spawnSpreadFactorVariation: Float
```