---
title: "*=(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/affinetransform3d/*=(_:_:)"
---

# *=(_:_:)

Concatenates two affine transforms and stores the result in the left-hand-side variable.

## Declaration

```swift
static func *= (lhs: inout AffineTransform3D, rhs: AffineTransform3D)
```

## Parameters

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

## See Also

### Applying arithmetic operations

- [*(_:_:)](spatial/affinetransform3d/*(_:_:).md)