---
title: surface
framework: quartzcore
role: symbol
role_heading: Type Property
path: quartzcore/caemitterlayeremittermode/surface
---

# surface

Particles are emitted from the surface of the particle emitter.

## Declaration

```swift
static let surface: CAEmitterLayerEmitterMode
```

## See Also

### Constants

- [points](quartzcore/caemitterlayeremittermode/points.md)
- [outline](quartzcore/caemitterlayeremittermode/outline.md)
- [volume](quartzcore/caemitterlayeremittermode/volume.md)