---
title: emitterZPosition
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/caemitterlayer/emitterzposition
---

# emitterZPosition

Specifies the center of the particle emitter shape along the z-axis. Animatable.

## Declaration

```swift
var emitterZPosition: CGFloat { get set }
```

## Discussion

Discussion See Emitter Shape for details of how the emitterZPosition relates to the possible emitter shapes. Default is 0.0.

## See Also

### Emitter Geometry

- [renderMode](quartzcore/caemitterlayer/rendermode.md)
- [emitterPosition](quartzcore/caemitterlayer/emitterposition.md)
- [emitterShape](quartzcore/caemitterlayer/emittershape.md)
- [emitterDepth](quartzcore/caemitterlayer/emitterdepth.md)
- [emitterSize](quartzcore/caemitterlayer/emittersize.md)