---
title: MLHandActionClassifier
framework: createml
role: symbol
role_heading: Structure
path: createml/mlhandactionclassifier
---

# MLHandActionClassifier

A task that creates a hand action classification model by training with videos of people’s hand movements that you provide.

## Declaration

```swift
struct MLHandActionClassifier
```

## Topics

### Training a hand action classifier asynchronously

- [train(trainingData:parameters:sessionParameters:)](createml/mlhandactionclassifier/train(trainingdata:parameters:sessionparameters:).md)
- [makeTrainingSession(trainingData:parameters:sessionParameters:)](createml/mlhandactionclassifier/maketrainingsession(trainingdata:parameters:sessionparameters:).md)
- [resume(_:)](createml/mlhandactionclassifier/resume(_:).md)
- [restoreTrainingSession(sessionParameters:)](createml/mlhandactionclassifier/restoretrainingsession(sessionparameters:).md)

### Creating a hand action classifier from a checkpoint

- [init(checkpoint:)](createml/mlhandactionclassifier/init(checkpoint:).md)

### Training a hand action classifier synchronously

- [init(trainingData:parameters:)](createml/mlhandactionclassifier/init(trainingdata:parameters:).md)

### Evaluating a hand action classifier

- [evaluation(on:)](createml/mlhandactionclassifier/evaluation(on:).md)
- [trainingMetrics](createml/mlhandactionclassifier/trainingmetrics.md)
- [validationMetrics](createml/mlhandactionclassifier/validationmetrics.md)

### Testing a hand action classifier

- [prediction(from:)](createml/mlhandactionclassifier/prediction(from:).md)
- [predictions(from:)](createml/mlhandactionclassifier/predictions(from:).md)
- [MLHandActionClassifier.Prediction](createml/mlhandactionclassifier/prediction.md)

### Saving a hand action classifier

- [write(to:metadata:)](createml/mlhandactionclassifier/write(to:metadata:).md)
- [write(toFile:metadata:)](createml/mlhandactionclassifier/write(tofile:metadata:).md)

### Inspecting a hand action classifier model

- [model](createml/mlhandactionclassifier/model.md)
- [modelParameters](createml/mlhandactionclassifier/modelparameters-swift.property.md)

### Describing a hand action classifier

- [description](createml/mlhandactionclassifier/description.md)
- [debugDescription](createml/mlhandactionclassifier/debugdescription.md)
- [playgroundDescription](createml/mlhandactionclassifier/playgrounddescription.md)

### Supporting types

- [MLHandActionClassifier.DataSource](createml/mlhandactionclassifier/datasource.md)
- [MLHandActionClassifier.ModelParameters](createml/mlhandactionclassifier/modelparameters-swift.struct.md)
- [MLHandActionClassifier.VideoAugmentationOptions](createml/mlhandactionclassifier/videoaugmentationoptions.md)

### Default Implementations

- [CustomDebugStringConvertible Implementations](createml/mlhandactionclassifier/customdebugstringconvertible-implementations.md)
- [CustomPlaygroundDisplayConvertible Implementations](createml/mlhandactionclassifier/customplaygrounddisplayconvertible-implementations.md)
- [CustomStringConvertible Implementations](createml/mlhandactionclassifier/customstringconvertible-implementations.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomPlaygroundDisplayConvertible](swift/customplaygrounddisplayconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Escapable](swift/escapable.md)

## See Also

### Video models

- [Creating an Action Classifier Model](createml/creating-an-action-classifier-model.md)
- [Detecting human actions in a live video feed](createml/detecting-human-actions-in-a-live-video-feed.md)
- [MLActionClassifier](createml/mlactionclassifier.md)
- [MLStyleTransfer](createml/mlstyletransfer.md)