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# MLMultiArrayShapeConstraintType

The possible types of shape constraints.

```
enum MLMultiArrayShapeConstraintType
```

## Topics

### Constraint types

[`MLMultiArrayShapeConstraintType.enumerated`](/documentation/CoreML/MLMultiArrayShapeConstraintType/enumerated)

The constraint is an array of allowed shapes.

[`MLMultiArrayShapeConstraintType.range`](/documentation/CoreML/MLMultiArrayShapeConstraintType/range)

The constraint is a set of ranges allowed for the array shape.

[`MLMultiArrayShapeConstraintType.unspecified`](/documentation/CoreML/MLMultiArrayShapeConstraintType/unspecified)

The constraint type is undefined.

### Creating a constraint type

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


---

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