---
title: "MLObjectDetector.ModelParameters.ValidationData.dataSource(_:)"
framework: createml
role: symbol
role_heading: Case
path: "createml/mlobjectdetector/modelparameters-swift.struct/validationdata/datasource(_:)"
---

# MLObjectDetector.ModelParameters.ValidationData.dataSource(_:)

A validation dataset you provide as a data source.

## Declaration

```swift
case dataSource(MLObjectDetector.DataSource)
```

## Parameters

- `dataSource `: An doc://com.apple.createml/documentation/CreateML/MLObjectDetector/DataSource instance the enumeration case uses as its associated value.

## See Also

### Designating validation data

- [MLObjectDetector.ModelParameters.ValidationData.split(strategy:)](createml/mlobjectdetector/modelparameters-swift.struct/validationdata/split(strategy:).md)
- [MLObjectDetector.ModelParameters.ValidationData.dataFrame(_:imageColumn:annotationColumn:)](createml/mlobjectdetector/modelparameters-swift.struct/validationdata/dataframe(_:imagecolumn:annotationcolumn:).md)
- [MLObjectDetector.ModelParameters.ValidationData.table(_:imageColumn:annotationColumn:)](createml/mlobjectdetector/modelparameters-swift.struct/validationdata/table(_:imagecolumn:annotationcolumn:).md)
- [MLObjectDetector.ModelParameters.ValidationData.none](createml/mlobjectdetector/modelparameters-swift.struct/validationdata/none.md)