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# MLFeatureType

The possible types for feature values, input features, and output features.

```
enum MLFeatureType
```

## Topics

### Feature types

[`MLFeatureType.int64`](/documentation/CoreML/MLFeatureType/int64)

The type for integer features and feature values.

[`MLFeatureType.double`](/documentation/CoreML/MLFeatureType/double)

The type for double features and feature values.

[`MLFeatureType.image`](/documentation/CoreML/MLFeatureType/image)

The type for image features and feature values.

[`MLFeatureType.multiArray`](/documentation/CoreML/MLFeatureType/multiArray)

The type for multidimensional array features and feature values.

[`MLFeatureType.string`](/documentation/CoreML/MLFeatureType/string)

The type for string features and feature values.

[`MLFeatureType.dictionary`](/documentation/CoreML/MLFeatureType/dictionary)

The type for dictionary features and feature values.

[`MLFeatureType.sequence`](/documentation/CoreML/MLFeatureType/sequence)

The type for sequence features and feature values.

[`MLFeatureType.state`](/documentation/CoreML/MLFeatureType/state)

MLState. Represents a model state that may be updated in each inference.

[`MLFeatureType.invalid`](/documentation/CoreML/MLFeatureType/invalid)

The type for invalid feature values.

### Creating a feature type

[`init(rawValue:)`](/documentation/CoreML/MLFeatureType/init(rawValue:))


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