---
title: "init(sourceGradient:sourceImage:convolutionGradientState:weights:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnfullyconnectedgradientnode/init(sourcegradient:sourceimage:convolutiongradientstate:weights:)"
---

# init(sourceGradient:sourceImage:convolutionGradientState:weights:)

## Declaration

```swift
init(sourceGradient: MPSNNImageNode, sourceImage: MPSNNImageNode, convolutionGradientState gradientState: MPSCNNConvolutionGradientStateNode, weights: (any MPSCNNConvolutionDataSource)?)
```