---
title: blendKernel
framework: coreimage
role: symbol
role_heading: Instance Property
path: coreimage/cirenderdestination/blendkernel
---

# blendKernel

The destination’s blend kernel.

## Declaration

```swift
var blendKernel: CIBlendKernel? { get set }
```

## See Also

### Customizing Rendering

- [alphaMode](coreimage/cirenderdestination/alphamode.md)
- [CIRenderDestinationAlphaMode](coreimage/cirenderdestinationalphamode.md)
- [blendsInDestinationColorSpace](coreimage/cirenderdestination/blendsindestinationcolorspace.md)
- [colorSpace](coreimage/cirenderdestination/colorspace.md)
- [width](coreimage/cirenderdestination/width.md)
- [height](coreimage/cirenderdestination/height.md)
- [isClamped](coreimage/cirenderdestination/isclamped.md)
- [isDithered](coreimage/cirenderdestination/isdithered.md)
- [isFlipped](coreimage/cirenderdestination/isflipped.md)