///

/// info

Sie können auch:

* `response_model_exclude_defaults=True`
* `response_model_exclude_none=True`

- Supports object locking/retention across source and destination buckets natively out of the box, unlike AWS S3.
- Simpler implementation than [AWS S3 Bucket Replication Config](https://docs.aws.amazon.com/AmazonS3/latest/dev/replication-add-config.html) with requirements such as IAM Role, AccessControlTranslation, Metrics and SourceSelectionCriteria are not needed with MinIO.
- Active-Active replication
- Multi destination replication

## How to use?

Esse parâmetro não cria um endpoint / *path operation*, mas declara que a URL `/token` vai ser aquela que o client deve usar para obter o token. Essa informação é usada no OpenAPI, e depois na API Interativa de documentação de sistemas.

Em breve também criaremos o atual path operation.

/// info | "informação"



///

Abgesehen von normalen einfachen Typen, wie `str`, `int`, `float`, usw. können Sie komplexere einfache Typen verwenden, die von `str` erben.

Um alle Optionen kennenzulernen, die Sie haben, schauen Sie sich <a href="https://docs.pydantic.dev/latest/concepts/types/" class="external-link" target="_blank">Pydantics Typübersicht</a> an. Sie werden im nächsten Kapitel ein paar Beispiele kennenlernen.

```Python hl_lines="9-13  36-53"
{!../../docs_src/openapi_callbacks/tutorial001.py!}
```

/// tip | "Tipp"

Der Query-Parameter `callback_url` verwendet einen Pydantic-<a href="https://docs.pydantic.dev/latest/api/networks/" class="external-link" target="_blank">Url</a>-Typ.

///

    <img src="https://github.com/fastapi/fastapi/workflows/Test/badge.svg?event=push&branch=master" alt="Test">
</a>
<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/fastapi/fastapi" target="_blank">
    <img src="https://coverage-badge.samuelcolvin.workers.dev/fastapi/fastapi.svg" alt="Coverage">
</a>
<a href="https://pypi.org/project/fastapi" target="_blank">

//       tags:
//         - key: "name"
//           value: "value*"
//       metadata:
//         - key: "content-type"
//           value: "image/*"
//     notify:
//       endpoint: "https://splunk-hec.dev.com"
//       token: "Splunk ..." # e.g. "Bearer token"
//
//   # target where the objects must be replicated
//   target:
//     type: "minio"
//     bucket: "testbucket1"
//     endpoint: "https://play.min.io"

Merk op dat dit betekent dat "`one_person` een **instantie** is van de klasse `Person`".

Dit betekent niet dat `one_person` de **klasse** is met de naam `Person`.

## Pydantic modellen

<a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> is een Python-pakket voor het uitvoeren van datavalidatie.

Je declareert de "vorm" van de data als klassen met attributen.

Elk attribuut heeft een type.

{!../../docs_src/bigger_applications/app/routers/items.py!}
```

Como o caminho de cada *operação de rota* deve começar com `/`, como em:

```Python hl_lines="1"
@router.get("/{item_id}")
async def read_item(item_id: str):
    ...
```

...o prefixo não deve incluir um `/` final.

Então, o prefixo neste caso é `/items`.

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