---
title: "init(sourceGradient:sourceImage:gradientState:isSecondarySourceFilter:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsnnarithmeticgradientnode/init(sourcegradient:sourceimage:gradientstate:issecondarysourcefilter:)"
---

# init(sourceGradient:sourceImage:gradientState:isSecondarySourceFilter:)

## Declaration

```swift
init(sourceGradient: MPSNNImageNode, sourceImage: MPSNNImageNode, gradientState: MPSNNBinaryGradientStateNode, isSecondarySourceFilter: Bool)
```