---
title: sizeMultiplierAtEndOfLifespan
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/particleemittercomponent/particleemitter/sizemultiplieratendoflifespan
---

# sizeMultiplierAtEndOfLifespan

At the end of the particle lifespan, the particle’s size will be it’s initial size times this multiplier. Defaults to 0.1.

## Declaration

```swift
var sizeMultiplierAtEndOfLifespan: Float
```