---
title: "*(_:_:)"
framework: createml
role: symbol
role_heading: Operator
path: "createml/mluntypedcolumn/*(_:_:)-7svdc"
---

# *(_:_:)

Creates a column by multiplying the given value by each element of the given column.

## Declaration

```swift
static func * (a: any MLDataValueConvertible, b: MLUntypedColumn) -> MLUntypedColumn
```

## Parameters

- `a`: An value.
- `b`: A column.

## Return Value

Return Value A new column if the column and value have the same underlying type; otherwise an invalid column.

## See Also

### Combining a value with a column to generate an untyped column

- [+(_:_:)](createml/mluntypedcolumn/+(_:_:)-miqp.md)
- [-(_:_:)](createml/mluntypedcolumn/-(_:_:)-9gm9i.md)
- [/(_:_:)](createml/mluntypedcolumn/_(_:_:)-aw9o.md)