![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Klicken Sie auf den Button „Try it out“, damit können Sie die Parameter ausfüllen und direkt mit der API interagieren:

![Swagger UI Interaktion](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)

        ]
    }


def test_root_token_jessica(client: TestClient):
    response = client.get("/?token=jessica")
    assert response.status_code == 200
    assert response.json() == {"message": "Hello Bigger Applications!"}


def test_root_with_no_token(client: TestClient):
    response = client.get("/")
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {

Weitere Einzelheiten finden Sie in den Bemerkungen im Quellcode oben.

## Mehr erfahren { #learn-more }

Sie können `dataclasses` auch mit anderen Pydantic-Modellen kombinieren, von ihnen erben, sie in Ihre eigenen Modelle einbinden, usw.

    in another `APIRouter` (ultimately included in the app).

    Read more about it in the
    [FastAPI docs for Bigger Applications - Multiple Files](https://fastapi.tiangolo.com/tutorial/bigger-applications/).

    ## Example

    ```python
    from fastapi import APIRouter, FastAPI

    app = FastAPI()
    router = APIRouter()

* 🌐 Add Portuguese translations for `learn/index.md` `resources/index.md` `help/index.md` `about/index.md`. PR [#10807](https://github.com/tiangolo/fastapi/pull/10807) by [@nazarepiedady](https://github.com/nazarepiedady).
* 🌐 Update Russian translations for deployments docs. PR [#11271](https://github.com/tiangolo/fastapi/pull/11271) by [@Lufa1u](https://github.com/Lufa1u).