# registerCase

`import { registerCase } from "destack:fuzz";`

Register one fuzz case.

```ds title="registerCase"
export function registerCase<T>(name: string, generator: Generator<T>, argument?: Argument<T> | undefined, body?: Body<T> | undefined): void
```

[language/library/src/fuzz/case.ds:35:42](https://github.com/destack-sh/destack/blob/main/language/library/src/fuzz/case.ds#L35-L42)