Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="9"
{!> ../../docs_src/cookie_params/tutorial001.py!}
```

////

/// note | "Technical Details"

`Cookie` is a "sister" class of `Path` and `Query`. It also inherits from the same common `Param` class.

But remember that when you import `Query`, `Path`, `Cookie` and others from `fastapi`, those are actually functions that return special classes.

Isso significa que no lugar do processo normal de seus usuários enviarem requisições para a sua API, é a **sua API** (ou sua aplicação) que poderia **enviar requisições para o sistema deles** (para a API deles, a aplicação deles).

Isso normalmente é chamado de **webhook**.

## Etapas dos Webhooks

a mesma *operação de rota*, por exemplo, múltiplas dependências com uma mesma subdependência, o **FastAPI** irá chamar essa subdependência uma única vez para cada requisição.

E o valor retornado é salvo em um <abbr title="Um utilitário/sistema para armazenar valores calculados/gerados para serem reutilizados em vez de computá-los novamente.">"cache"</abbr> e repassado para todos os "dependentes" que precisam dele em uma requisição específica, em vez de chamar a dependência múltiplas vezes...

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