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# init(trainingData:parameters:)

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

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

## Parameters

`trainingData`

An [`MLHandActionClassifier.DataSource`](/documentation/CreateML/MLHandActionClassifier/DataSource) instance.

`parameters`

An [`MLHandActionClassifier.ModelParameters`](/documentation/CreateML/MLHandActionClassifier/ModelParameters-swift.struct)
instance you use to configure the model for the training session.

---

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