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# multiArrays

A cloned data column of machine learning multi-arrays.

```
var multiArrays: MLDataColumn<MLDataValue.MultiArrayType>? { get }
```

## Return Value

A new data column if the underlying type of the column is
[`MLDataValue.MultiArrayType`](/documentation/CreateML/MLDataValue/MultiArrayType); otherwise `nil`.

## Discussion

This property is functionally equivalent to passing
[`MLDataValue.MultiArrayType`](/documentation/CreateML/MLDataValue/MultiArrayType) `.self` to
[`column(type:)`](/documentation/CreateML/MLUntypedColumn/column(type:)). Typically you ensure
[`type`](/documentation/CreateML/MLUntypedColumn/type) is equal to
[`MLDataValue.ValueType.multiArray`](/documentation/CreateML/MLDataValue/ValueType/multiArray) before getting this property.

---

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