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

# init(trainingData:parameters:)

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

## Declaration

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

## Parameters

- `trainingData`: A collection of labeled images represented by a data source.
- `parameters`: An doc://com.apple.createml/documentation/CreateML/MLActionClassifier/ModelParameters-swift.struct instance you use to configure the model for the training session.