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# init(trainingData:parameters:)

Creates an action classifier with a training dataset represented by a
data source.

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

## Parameters

`trainingData`

A collection of labeled images represented by a data source.

`parameters`

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

---

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