<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 11.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CreateML",
  "identifier" : "/documentation/CreateML/MLSoundClassifier/ModelParameters-swift.struct/ValidationData/dataSource(_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Case",
  "symbol" : {
    "kind" : "Case",
    "modules" : [
      "Create ML"
    ],
    "preciseIdentifier" : "s:8CreateML17MLSoundClassifierV15ModelParametersV14ValidationDataO10dataSourceyAgC0hJ0OcAGmF"
  },
  "title" : "MLSoundClassifier.ModelParameters.ValidationData.dataSource(_:)"
}
-->

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

A validation dataset represented by a data source.

```
case dataSource(MLSoundClassifier.DataSource)
```

## Discussion

- dataSource: An [`MLSoundClassifier.DataSource`](/documentation/CreateML/MLSoundClassifier/DataSource) instance that contains a validation dataset.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)