* And it could also have a declaration of the response it should return, e.g. `response_model=InvoiceEventReceived`.

```Python hl_lines="16-18  21-22  28-32"
{!../../../docs_src/openapi_callbacks/tutorial001.py!}
```

There are 2 main differences from a normal *path operation*:

That way, we can declare just the differences between the models (with plaintext `password`, with `hashed_password` and without password):

=== "Python 3.10+"

    ```Python hl_lines="7  13-14  17-18  21-22"
    {!> ../../../docs_src/extra_models/tutorial002_py310.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="9  15-16  19-20  23-24"
    {!> ../../../docs_src/extra_models/tutorial002.py!}
    ```

=== "🐍 3️⃣.6️⃣ & 🔛"

    ```Python hl_lines="9  15-16  19-20  23-24"
    {!> ../../../docs_src/extra_models/tutorial002.py!}
    ```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

    ```Python hl_lines="7  13-14  17-18  21-22"
    {!> ../../../docs_src/extra_models/tutorial002_py310.py!}
    ```

## `Union` ⚖️ `anyOf`

👆 💪 📣 📨 `Union` 2️⃣ 🆎, 👈 ⛓, 👈 📨 🔜 🙆 2️⃣.

⚫️ 🔜 🔬 🗄 ⏮️ `anyOf`.

    👫 Pydantic 🏷 🔬 🌅 ⚖️ 🌘 "🔗" (☑ 📊 💠).

    👉 🔜 ℹ 👥 ❎ 😨 ⏪ ⚙️ 👯‍♂️.

### ✍ Pydantic *🏷* / 🔗

✍ 🌐 🎏 Pydantic 🏷 🇸🇲 🔰:

```Python hl_lines="16-18  21-22  25-30  34-35  38-39  42-48"
{!../../../docs_src/sql_databases_peewee/sql_app/schemas.py!}
```

!!! tip
    📥 👥 🏗 🏷 ⏮️ `id`.

    👥 🚫 🎯 ✔ `id` 🔢 🏒 🏷, ✋️ 🏒 🚮 1️⃣ 🔁.

* 🌐 Add German translation for `docs/de/docs/reference/request.md`. PR [#10821](https://github.com/tiangolo/fastapi/pull/10821) by [@nilslindemann](https://github.com/nilslindemann).