///

### Crea un `APIRouter` de callback { #create-a-callback-apirouter }

Primero crea un nuevo `APIRouter` que contendrá uno o más callbacks.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[1,23] *}

### Crea la *path operation* del callback { #create-the-callback-path-operation }

Para crear la *path operation* del callback usa el mismo `APIRouter` que creaste arriba.

///

### Create a callback `APIRouter` { #create-a-callback-apirouter }

First create a new `APIRouter` that will contain one or more callbacks.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[1,23] *}

### Create the callback *path operation* { #create-the-callback-path-operation }

To create the callback *path operation* use the same `APIRouter` you created above.

///

### Crie um `APIRouter` de callback { #create-a-callback-apirouter }

Primeiro crie um novo `APIRouter` que conterá um ou mais callbacks.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[1,23] *}

### Crie a *operação de rota* do callback { #create-the-callback-path-operation }

Para criar a *operação de rota* do callback, use o mesmo `APIRouter` que você criou acima.

///

### Einen Callback-`APIRouter` erstellen { #create-a-callback-apirouter }

Erstellen Sie zunächst einen neuen `APIRouter`, der einen oder mehrere Callbacks enthält.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[1,23] *}

### Die Callback-*Pfadoperation* erstellen { #create-the-callback-path-operation }

# Обратные вызовы в OpenAPI { #openapi-callbacks }

Вы можете создать API с *операцией пути* (обработчиком пути), которая будет инициировать HTTP-запрос к *внешнему API*, созданному кем-то другим (скорее всего тем же разработчиком, который будет использовать ваш API).

                Request
                  .Builder()
                  .url(server.url("/a"))
                  .build()
              try {
                val callbackA = RecordingCallback()
                client.newCall(requestA).enqueue(callbackA)
                callbackA.await(requestA.url).assertBody("a")
              } catch (e: Exception) {
                throw RuntimeException(e)
              }
            }

                            },
                        },
                        "callbacks": {
                            "callback_route": {
                                "{$callback_url}/callback/": {
                                    "get": {
                                        "summary": "Callback Route",
                                        "operationId": "callback_route__callback_url__callback__get",

                            },
                        },
                        "callbacks": {
                            "event_callback": {
                                "{$callback_url}/events/{$request.body.title}": {
                                    "get": {
                                        "summary": "Event Callback",

                )
                if request_body_oai:
                    operation["requestBody"] = request_body_oai
            if route.callbacks:
                callbacks = {}
                for callback in route.callbacks:
                    if isinstance(callback, routing.APIRoute):
                        (
                            cb_path,
                            cb_security_schemes,

    * Send a notification back to the API user (the external developer), as a callback.
        * At this point is that the API will somehow send a POST request to the
            external API with the notification of the invoice event
            (e.g. "payment successful").
    """
    # Send the invoice, collect the money, send the notification (the callback)