diff --git a/jee-jsf/jsf.d.ts b/jee-jsf/jsf.d.ts
index d19dafe0eb..3f20a6d70f 100644
--- a/jee-jsf/jsf.d.ts
+++ b/jee-jsf/jsf.d.ts
@@ -4,69 +4,74 @@
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 declare module jsf {
-   module ajax {
+    module ajax {
 
-      interface RequestData {
-         status: string;
-         description: string;
-      }
+        interface RequestData {
+            status: string;
+            description: string;
+        }
 
-      interface RequestOptions {
-         /**
-          * space seperated list of client identifiers
-          */
-         execute?: String;
+        interface RequestOptions {
+            /**
+             * space seperated list of client identifiers
+             */
+            execute?: String;
 
-         /**
-          * space seperated list of client identifiers
-          */
-         render?: String;
+            /**
+             * space seperated list of client identifiers
+             */
+            render?: String;
 
-         /**
-          * function to callback for event
-          * @param callback the callback function
-          */
-         onevent?(callback:(data:RequestData) => void): void;
+            /**
+             * function to callback for event
+             * @param callback the callback function
+             */
+            onevent?(callback:(data:RequestData) => void): void;
 
-         /**
-          * function to callback for error
-          * @param callback the callback function
-          */
-         onerror?(callback:(data:RequestData) => void): void;
+            /**
+             * function to callback for error
+             * @param callback the callback function
+             */
+            onerror?(callback:(data:RequestData) => void): void;
 
-         /**
-          * object containing parameters to include in the request
-          */
-         params?: any;
-      }
+            /**
+             * object containing parameters to include in the request
+             */
+            params?: any;
 
-      /**
-       * Register a callback for event handling.
-       * @param callback a reference to a function to call on an event
-       */
-      function addOnEvent(callback:(data:RequestData) => void):void;
+            /**
+             * client behavior event name from the request parameter
+             */
+            'javax.faces.behavior.event'?: any;
+        }
 
-      /**
-       * Register a callback for error handling.
-       * @param callback a reference to a function to call on an error
-       */
-      function addOnError(callback:(data:RequestData) => void):void;
+        /**
+         * Register a callback for event handling.
+         * @param callback a reference to a function to call on an event
+         */
+        function addOnEvent(callback:(data:RequestData) => void):void;
 
-      /**
-       * Send an asynchronous Ajax request to the server.
-       * @param source The DOM element that triggered this Ajax request, or an id string of the element to use as the triggering element.
-       * @param event The DOM event that triggered this Ajax request. The event argument is optional.
-       * @param options The set of available options that can be sent as request parameters to control client and/or server side request processing.
-       */
-      function request(source:any, event?:String, options?:RequestOptions):void;
+        /**
+         * Register a callback for error handling.
+         * @param callback a reference to a function to call on an error
+         */
+        function addOnError(callback:(data:RequestData) => void):void;
 
-      /**
-       * Receive an Ajax response from the server.
-       * @param request The XMLHttpRequest instance that contains the status code and response message from the server.
-       * @param context An object containing the request context, including the following properties: the source element, per call onerror callback function, and per call onevent callback function.
-       * @throws EmptyResponse error if request contains no data
-       */
-      function response(request:any, context:any):void;
+        /**
+         * Send an asynchronous Ajax request to the server.
+         * @param source The DOM element that triggered this Ajax request, or an id string of the element to use as the triggering element.
+         * @param event The DOM event that triggered this Ajax request. The event argument is optional.
+         * @param options The set of available options that can be sent as request parameters to control client and/or server side request processing.
+         */
+        function request(source:any, event?:String, options?:RequestOptions):void;
 
-   }
+        /**
+         * Receive an Ajax response from the server.
+         * @param request The XMLHttpRequest instance that contains the status code and response message from the server.
+         * @param context An object containing the request context, including the following properties: the source element, per call onerror callback function, and per call onevent callback function.
+         * @throws EmptyResponse error if request contains no data
+         */
+        function response(request:any, context:any):void;
+
+    }
 }