---
title: MLActionClassifier.ModelParameters.ValidationData
framework: createml
role: symbol
role_heading: Enumeration
path: createml/mlactionclassifier/modelparameters-swift.struct/validationdata
---

# MLActionClassifier.ModelParameters.ValidationData

The source of a validation dataset for an action classifier.

## Declaration

```swift
enum ValidationData
```

## Topics

### Designating validation data

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

## See Also

### Supporting types

- [MLActionClassifier.VideoAugmentationOptions](createml/mlactionclassifier/videoaugmentationoptions.md)
- [MLActionClassifier.ModelParameters.ModelAlgorithmType](createml/mlactionclassifier/modelparameters-swift.struct/modelalgorithmtype.md)