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[Home](./index.md) &gt; [server](./server.md) &gt; [ParticleEmitterOptions](./server.particleemitteroptions.md) &gt; [sizeVariance](./server.particleemitteroptions.sizevariance.md)

## ParticleEmitterOptions.sizeVariance property

The size variance of an emitted particle.

**Signature:**

```typescript
sizeVariance?: number;
```