code: function layoutEditorUpdateData( divId, paramsObj ) {
  	log( "layout-editor", "start '"+JSON.stringify(paramsObj)+"'");
  	//alert(divId+": ... try to load "+paramsObj.rowId ); 
  	if ( ( paramsObj != null ) && ( paramsObj.page_id != null ) ) {
  		moduleConfig[ divId ].page_id = paramsObj.page_id;
  	} else { 
  		paramsObj = { "page_id":moduleConfig[ divId ].page_id };
  	}
  	pongLayoutBackendCall( "GET", divId, paramsObj, false );
  	log( "layout-editor", "end.");
  }
docs: update data call back hook