---
title: emitterCells
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/caemitterlayer/emittercells
---

# emitterCells

The array emitter cells attached to the layer.

## Declaration

```swift
var emitterCells: [CAEmitterCell]? { get set }
```

## Discussion

Discussion Each object in the array must be an instance of the CAEmitterCell class.

## See Also

### Related Documentation

- [Core Animation Programming Guide](apple-archive/documentation/Cocoa/Conceptual/CoreAnimation_guide/Introduction.md)