hytopia/docs/server.particleemitteroptions.lifetimevariance.md

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

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[Home](./index.md) &gt; [server](./server.md) &gt; [ParticleEmitterOptions](./server.particleemitteroptions.md) &gt; [lifetimeVariance](./server.particleemitteroptions.lifetimevariance.md)

## ParticleEmitterOptions.lifetimeVariance property

The lifetime variance of an emitted particle in seconds.

**Signature:**

```typescript
lifetimeVariance?: number;
```