//// tab | Python 3.10+

```Python hl_lines="12"
{!> ../../docs_src/body_nested_models/tutorial002_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="14"
{!> ../../docs_src/body_nested_models/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="14"
{!> ../../docs_src/body_nested_models/tutorial002.py!}
```

//// tab | Python 3.10+

```Python hl_lines="12"
{!> ../../docs_src/body_nested_models/tutorial002_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="14"
{!> ../../docs_src/body_nested_models/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="14"
{!> ../../docs_src/body_nested_models/tutorial002.py!}
```

///

```Python hl_lines="8"
{!> ../../docs_src/header_param_models/tutorial002_py310.py!}
```

////

//// tab | Python 3.9+ non-Annotated

/// tip | Dica

Utilize a versão com `Annotated` se possível.

///

```Python hl_lines="10"
{!> ../../docs_src/header_param_models/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+ non-Annotated

/// tip | Dica

```

////

//// tab | Python 3.10+ non-Annotated

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="8"
{!> ../../docs_src/header_params/tutorial002_py310.py!}
```

////

//// tab | Python 3.8+ non-Annotated

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="10"

```Python hl_lines="10"
{!> ../../docs_src/header_params/tutorial002.py!}
```

////

//// tab | 🐍 3️⃣.1️⃣0️⃣ & 🔛

```Python hl_lines="8"
{!> ../../docs_src/header_params/tutorial002_py310.py!}
```

////

/// warning

⏭ ⚒ `convert_underscores` `False`, 🐻 🤯 👈 🇺🇸🔍 🗳 & 💽 / ⚙️ 🎚 ⏮️ 🎦.

///

## ❎ 🎚

⚫️ 💪 📨 ❎ 🎚. 👈 ⛓, 🎏 🎚 ⏮️ 💗 💲.

```

////

//// tab | Python 3.9 and above

```Python hl_lines="17  22  27"
{!> ../../docs_src/path_operation_configuration/tutorial002_py39.py!}
```

////

//// tab | Python 3.10 and above

```Python hl_lines="15  20  25"
{!> ../../docs_src/path_operation_configuration/tutorial002_py310.py!}
```

////

Eles serão adicionados ao esquema OpenAPI e usados pelas interfaces de documentação automática:

///

```Python hl_lines="8"
{!> ../../docs_src/header_param_models/tutorial002_py310.py!}
```

////

//// tab | Python 3.9+ non-Annotated

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="10"
{!> ../../docs_src/header_param_models/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+ non-Annotated

/// tip

import pytest
from fastapi.testclient import TestClient

from ...utils import needs_py310, needs_pydanticv2


@pytest.fixture(name="client")
def get_client() -> TestClient:
    from docs_src.separate_openapi_schemas.tutorial002_py310 import app

    client = TestClient(app)
    return client


@needs_py310
def test_create_item(client: TestClient) -> None:
    response = client.post("/items/", json={"name": "Foo"})

//// tab | Python 3.10+

```Python hl_lines="8"
{!> ../../docs_src/header_params/tutorial002_py310.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="10"
{!> ../../docs_src/header_params/tutorial002.py!}
```

////

/// warning | "Aviso"

在 `Field`, `Path`, `Query`, `Body` 和其他你之后将会看到的工厂函数，你可以为JSON 模式声明额外信息，你也可以通过给工厂函数传递其他的任意参数来给JSON 模式声明额外信息，比如增加 `example`:

//// tab | Python 3.10+

```Python hl_lines="2  8-11"
{!> ../../docs_src/schema_extra_example/tutorial002_py310.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="4  10-13"
{!> ../../docs_src/schema_extra_example/tutorial002.py!}
```

////

/// warning