---
title: "init(lightmapRootEntity:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/lightmapcomponent/surfaceextractor/init(lightmaprootentity:)"
---

# init(lightmapRootEntity:)

## Declaration

```swift
@MainActor init(lightmapRootEntity: Entity) throws
```