---
title: "setScale(_:relativeTo:)"
framework: realitykit
role: symbol
role_heading: Instance Method
path: "realitykit/hastransform/setscale(_:relativeto:)"
---

# setScale(_:relativeTo:)

Sets the scale factor of the entity relative to the given reference entity.

## Declaration

```swift
@MainActor @preconcurrency func setScale(_ scale: SIMD3<Float>, relativeTo referenceEntity: Entity?)
```

## Parameters

- `scale`: A new scale factor, relative to referenceEntity.
- `referenceEntity`: The entity that defines a frame of reference. Set this to nil to indicate world space.

## See Also

### Scaling an entity

- [scale](realitykit/hastransform/scale.md)
- [scale(relativeTo:)](realitykit/hastransform/scale(relativeto:).md)