---
title: "init(trainingData:parameters:)"
framework: createml
role: symbol
role_heading: Initializer
path: "createml/mlhandactionclassifier/init(trainingdata:parameters:)"
---

# init(trainingData:parameters:)

Creates a hand action classifier by starting a synchronous training session.

## Declaration

```swift
init(trainingData: MLHandActionClassifier.DataSource, parameters: MLHandActionClassifier.ModelParameters = ModelParameters()) throws
```

## Parameters

- `trainingData`: An doc://com.apple.createml/documentation/CreateML/MLHandActionClassifier/DataSource instance.
- `parameters`: An doc://com.apple.createml/documentation/CreateML/MLHandActionClassifier/ModelParameters-swift.struct instance you use to configure the model for the training session.