# worldFork

`import { worldFork } from "destack:runtime";`

Fork one child world from one revision.

```ds title="worldFork"
export declare function worldFork(world: WorldHandle, revisionId: RevisionId, name?: string | undefined, labels?: [Label] | undefined): Result<WorldHandle, HostError>
```

[language/library/src/runtime/lineage.ds:306:311](https://github.com/destack-sh/destack/blob/main/language/library/src/runtime/lineage.ds#L306-L311)