---
title: MLHandActionClassifier.ModelParameters.ModelAlgorithmType.gcn
framework: createml
role: symbol
role_heading: Case
path: createml/mlhandactionclassifier/modelparameters-swift.struct/modelalgorithmtype/gcn
---

# MLHandActionClassifier.ModelParameters.ModelAlgorithmType.gcn

Selects the graph convolutional neural-network algorithm for a hand action classifier.

## Declaration

```swift
case gcn
```