---
title: "updateGammaAndBeta(with:groupNormalizationStateBatch:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpscnngroupnormalizationdatasource/updategammaandbeta(with:groupnormalizationstatebatch:)"
---

# updateGammaAndBeta(with:groupNormalizationStateBatch:)

## Declaration

```swift
optional func updateGammaAndBeta(with commandBuffer: any MTLCommandBuffer, groupNormalizationStateBatch: [MPSCNNGroupNormalizationGradientState]) -> MPSCNNNormalizationGammaAndBetaState?
```