---
title: spawnOccasion
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/particleemittercomponent/spawnoccasion-swift.property
---

# spawnOccasion

Determines when main particles emit spawn particles. Defaults to onDeath.

## Declaration

```swift
var spawnOccasion: ParticleEmitterComponent.SpawnOccasion
```