# ThisType

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

Marker for contextual object `this` typing.

```ds title="ThisType"
export newtype interface ThisType<in out T>
```

[language/library/src/types/object.ds:64](https://github.com/destack-sh/destack/blob/main/language/library/src/types/object.ds#L64)