*  & ⚪️➡️ ⚫️, 🗄 🔢 `get_token_header`.

👈 👷 ☑ ❗ 👶

---

🎏 🌌, 🚥 👥 ✔️ ⚙️ 3️⃣ ❣ `...`, 💖:

```Python
from ...dependencies import get_token_header
```

that 🔜 ⛓:

* ▶️ 🎏 📦 👈 👉 🕹 (📁 `app/routers/items.py`) 🖖 (📁 `app/routers/`)...
* 🚶 👪 📦 (📁 `app/`)...
* ⤴️ 🚶 👪 👈 📦 (📤 🙅‍♂ 👪 📦, `app` 🔝 🎚 👶)...

But that will only affect that `APIRouter` in our app, not in any other code that uses it.

So, for example, other projects could use the same `APIRouter` with a different authentication method.

### Include a *path operation*

We can also add *path operations* directly to the `FastAPI` app.

Here we do it... just to show that we can 🤷:

```Python hl_lines="21-23" title="app/main.py"