---
title: convolutionGradientState
framework: metalperformanceshaders
role: symbol
role_heading: Instance Property
path: metalperformanceshaders/mpscnnconvolutionnode/convolutiongradientstate
---

# convolutionGradientState

## Declaration

```swift
var convolutionGradientState: MPSCNNConvolutionGradientStateNode? { get }
```