That's because it is using the same name as in the OpenAPI spec. So that if you need to investigate more about any of these security schemes you can just copy and paste it to find more information about it.

The `oauth2_scheme` variable is an instance of `OAuth2PasswordBearer`, but it is also a "callable".

It could be called as:

```Python
oauth2_scheme(some, parameters)

```

</div>

### Paso 3: crea una *operación de path*

#### Path

"Path" aquí se refiere a la última parte de una URL comenzando desde el primer `/`.

Entonces, en una URL como:

```
https://example.com/items/foo
```

...el path sería:

```
/items/foo
```

!!! info "Información"

<span style="color: green;">INFO</span>:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
```

</div>

### Passo 3: crie uma *rota*

#### Rota

"Rota" aqui se refere à última parte da URL, começando do primeiro `/`.

Então, em uma URL como:

```
https://example.com/items/foo
```

...a rota seria:

```
/items/foo
```

!!! info "Informação"