---
title: "init(trainingData:tokenColumn:labelColumn:parameters:)"
framework: createml
role: symbol
role_heading: Initializer
path: "createml/mlwordtagger/init(trainingdata:tokencolumn:labelcolumn:parameters:)"
---

# init(trainingData:tokenColumn:labelColumn:parameters:)

Creates a word tagger.

## Declaration

```swift
init(trainingData: DataFrame, tokenColumn: String, labelColumn: String, parameters: MLWordTagger.ModelParameters = ModelParameters(validation: .split(strategy: .automatic))) throws
```

## Parameters

- `trainingData`: A data frame specifying training data.
- `tokenColumn`: The name of the token column in the training data frame.
- `labelColumn`: The name of the label column in the training data frame.
- `parameters`: The model parameters.

## See Also

### Creating and training a word tagger

- [init(trainingData:parameters:)](createml/mlwordtagger/init(trainingdata:parameters:).md)
- [MLWordTagger.Token](createml/mlwordtagger/token.md)
- [MLWordTagger.ModelParameters](createml/mlwordtagger/modelparameters-swift.struct.md)
- [modelParameters](createml/mlwordtagger/modelparameters-swift.property.md)