---
title: "encode(commandBuffer:sourceGradient:sourceImage:gradientState:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpscnngradientkernel/encode(commandbuffer:sourcegradient:sourceimage:gradientstate:)"
---

# encode(commandBuffer:sourceGradient:sourceImage:gradientState:)

## Declaration

```swift
func encode(commandBuffer: any MTLCommandBuffer, sourceGradient: MPSImage, sourceImage: MPSImage, gradientState: MPSState) -> MPSImage
```