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

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

A validation dataset derived by randomly selecting a portion of the action classifier’s training dataset using the split strategy.

## Declaration

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

## See Also

### Designating validation data

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