---
title: "MLHandActionClassifier.ModelParameters.ValidationData.split(strategy:)"
framework: createml
role: symbol
role_heading: Case
path: "createml/mlhandactionclassifier/modelparameters-swift.struct/validationdata/split(strategy:)"
---

# MLHandActionClassifier.ModelParameters.ValidationData.split(strategy:)

Creates a validation dataset by randomly selecting a portion of the hand action classifier task’s training dataset with a split strategy.

## Declaration

```swift
case split(strategy: MLSplitStrategy)
```

## Parameters

- `strategy`: An doc://com.apple.createml/documentation/CreateML/MLSplitStrategy instance.

## See Also

### Designating validation data

- [MLHandActionClassifier.ModelParameters.ValidationData.dataSource(_:)](createml/mlhandactionclassifier/modelparameters-swift.struct/validationdata/datasource(_:).md)
- [MLHandActionClassifier.ModelParameters.ValidationData.none](createml/mlhandactionclassifier/modelparameters-swift.struct/validationdata/none.md)