* `openapi_url`: la URL donde la página HTML para la documentación puede obtener el OpenAPI esquema de tu API. Puedes usar aquí el atributo `app.openapi_url`.
* `title`: el título de tu API.
* `oauth2_redirect_url`: puedes usar `app.swagger_ui_oauth2_redirect_url` aquí para usar el valor por defecto.

{* ../../docs_src/openapi_callbacks/tutorial001_py310.py hl[33] *}

/// tip | Consejo

Observa que no estás pasando el router en sí (`invoices_callback_router`) a `callback=`, sino el atributo `.routes`, como en `invoices_callback_router.routes`.

///

* `openapi_url`: a URL onde a página HTML para a documentação pode obter o esquema OpenAPI para a sua API. Você pode usar aqui o atributo `app.openapi_url`.
* `title`: o título da sua API.
* `oauth2_redirect_url`: você pode usar `app.swagger_ui_oauth2_redirect_url` aqui para usar o padrão.

/**
 * The {@link CrawlerContext} class holds the context information for a crawler execution.
 * It contains various attributes related to the crawler's state, configuration, and runtime data.
 * This class provides methods to access and modify these attributes, allowing for control and monitoring
 * of the crawler's behavior.
 *
 * <p>

    public static final int FILE_NOTIFY_CHANGE_FILE_NAME = 0x1;
    /**
     * Notify when a directory name changes
     */
    public static final int FILE_NOTIFY_CHANGE_DIR_NAME = 0x2;
    /**
     * Notify when file attributes change
     */
    public static final int FILE_NOTIFY_CHANGE_ATTRIBUTES = 0x4;
    /**
     * Notify when file size changes
     */
    public static final int FILE_NOTIFY_CHANGE_SIZE = 0x8;
    /**

        }
    }
}

// For local consumption by tests - this should be unified with publish-public-libraries if possible
configurations.create("localLibsRepositoryElements") {
    attributes {
        attribute(Category.CATEGORY_ATTRIBUTE, objects.named("gradle-local-repository"))
    }
    isCanBeResolved = false
    isCanBeConsumed = true
    outgoing.artifact(localRepository) {

     */
    @Execute
    public JsonResponse<ApiResult> post$setting(final CreateBody body) {
        validateApi(body, messages -> {});
        validateAttributes(body.attributes, this::throwValidationErrorApi);
        body.crudMode = CrudMode.CREATE;
        final Group entity = getGroup(body).orElseGet(() -> {
            throwValidationErrorApi(messages -> {

      assertThat(file.getName()).contains("FileBackedOutputStream");
      if (!isAndroid() && !isWindows()) {
        PosixFileAttributes attributes =
            java.nio.file.Files.getFileAttributeView(file.toPath(), PosixFileAttributeView.class)
                .readAttributes();
        assertThat(attributes.permissions()).containsExactly(OWNER_READ, OWNER_WRITE);
      }
    }
    out.close();

     */
    IMMEDIATE_CHILDREN,

    /**
     * Cache entire subtree recursively (if supported by server)
     */
    RECURSIVE_TREE,

    /**
     * Cache only file attributes but not content
     */
    METADATA_ONLY,

    /**
     * Cache complete directory listing including all metadata
     */
    FULL_ENUMERATION

{* ../../docs_src/body_nested_models/tutorial004_py310.py hl[7:9] *}

### Das Kindmodell als Typ verwenden { #use-the-submodel-as-a-type }

Und dann können wir es als Typ eines Attributes verwenden:

{* ../../docs_src/body_nested_models/tutorial004_py310.py hl[18] *}

Das würde bedeuten, dass **FastAPI** einen Body wie folgt erwartet:

```JSON
{
    "name": "Foo",