---
title: "*=(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/size3dfloat/*=(_:_:)"
---

# *=(_:_:)

Calculates the element-wise product of a size and a scalar value and stores the result in the left-hand-side variable.

## Declaration

```swift
static func *= (lhs: inout Size3DFloat, rhs: Float)
```

## Parameters

- `lhs`: The first value.
- `rhs`: The second value.