# runtimeClose

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

Close one runtime.

```ds title="runtimeClose"
export declare function runtimeClose(runtimeHandle: RuntimeHandle): Result<void, HostError>
```

[language/library/src/runtime/world.ds:338](https://github.com/destack-sh/destack/blob/main/language/library/src/runtime/world.ds#L338)