---
title: blendMode
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/particleemittercomponent/particleemitter/blendmode-swift.property
---

# blendMode

How overlapping particles are composited together. Defaults to alpha.

## Declaration

```swift
var blendMode: ParticleEmitterComponent.ParticleEmitter.BlendMode
```