# ThisParameterType

`import { ThisParameterType } from "destack:types";`

Extract the explicit receiver from a callable type.

```ds title="ThisParameterType"
export type ThisParameterType<T> = T extends ((...unknown[]) => unknown) ? ThisParameterType.This : unknown
```

[language/library/src/types/function.ds:39:41](https://github.com/destack-sh/destack/blob/main/language/library/src/types/function.ds#L39-L41)