---
title: "*=(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/rotation3d/*=(_:_:)"
---

# *=(_:_:)

Computes the product of two rotations and stores the result in the left-hand-side variable.

## Declaration

```swift
static func *= (lhs: inout Rotation3D, rhs: Rotation3D)
```

## Parameters

- `lhs`: The left-hand-side value.
- `rhs`: The right-hand-side value.

## See Also

### Applying arithmetic operations

- [*(_:_:)](spatial/rotation3d/*(_:_:)-1tc8f.md)
- [*(_:_:)](spatial/rotation3d/*(_:_:)-5dxqv.md)
- [*(_:_:)](spatial/rotation3d/*(_:_:)-9t389.md)
- [*(_:_:)](spatial/*(_:_:).md)