---
title: "transform(by:)"
framework: realitykit
role: symbol
role_heading: Instance Method
path: "realitykit/boundingbox/transform(by:)"
---

# transform(by:)

Transforms the bounding box.

## Declaration

```swift
mutating func transform(by transform: float4x4)
```

## Parameters

- `transform`: The transform to apply to the box.

## See Also

### Transforming a bounding box

- [transformed(by:)](realitykit/boundingbox/transformed(by:).md)