# train(trainingData:parameters:sessionParameters:) Begins an asynchronous style transfer model-training session. ``` static func train(trainingData: MLStyleTransfer.DataSource, parameters: MLStyleTransfer.ModelParameters = .init(), sessionParameters: MLTrainingSessionParameters = .init()) throws -> MLJob ``` ## Parameters `trainingData` The style image and content images represented by a data source. `parameters` An [`MLStyleTransfer.ModelParameters`](/documentation/CreateML/MLStyleTransfer/ModelParameters) instance you use to configure the model for the training session. `sessionParameters` An [`MLTrainingSessionParameters`](/documentation/CreateML/MLTrainingSessionParameters) instance you use to configure the training session. ## Return Value An [`MLJob`](/documentation/CreateML/MLJob) that represents the style transfer model-training session. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)