Webhooks are available in OpenAPI 3.1.0 and above, supported by FastAPI `0.99.0` and above.

///

## An app with webhooks { #an-app-with-webhooks }

When you create a **FastAPI** application, there is a `webhooks` attribute that you can use to define *webhooks*, the same way you would define *path operations*, for example with `@app.webhooks.post()`.

{* ../../docs_src/openapi_webhooks/tutorial001.py hl[9:13,36:53] *}

        super();
    }

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========

    /** Service for managing path mapping configurations */
    @Resource
    private PathMappingService pathMappingService;

        super();
    }

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    /** Service for managing related content configurations */
    @Resource
    private RelatedContentService relatedContentService;

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    /** createdTime */
    protected Long createdTime;

    /** expiredTime */
    protected Long expiredTime;

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    /** crawlingInfoId */
    protected String crawlingInfoId;

    /** createdTime */
    protected Long createdTime;

    // ===================================================================================
    // Constant
    //

    // ===================================================================================
    // Attribute
    //
    @Resource
    private UserService userService;

    // ===================================================================================
    // Hook
    // ======

        super();
    }

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    /** Service for managing duplicate host configurations */
    @Resource
    private DuplicateHostService duplicateHostService;

--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -423,4 +423,14 @@
 # endif
 #endif
 
+/* Undefine (also defined in libc-symbols.h).  */
+#undef __attribute_copy__
+#if __GNUC_PREREQ (9, 0)
+/* Copies attributes from the declaration or type referenced by
+   the argument.  */
+# define __attribute_copy__(arg) __attribute__ ((__copy__ (arg)))
+#else
+# define __attribute_copy__(arg)
+#endif
+

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    /** endTime */
    protected Long endTime;

    /** jobName */
    protected String jobName;

    /** jobStatus */

         * File was modified in the directory
         */
        FILE_MODIFIED,
        /**
         * Directory was renamed
         */
        DIRECTORY_RENAMED,
        /**
         * File or directory attributes were changed
         */
        ATTRIBUTES_CHANGED
    }

    /**
     * SMB2 File Action constants
     */
    private static final int FILE_ACTION_ADDED = 0x00000001;