PAGENAME=>  {description    =>$desc,
             traverse_list  =>{pagename_1  =>  1,
                               pagename_2  =>  0,
                               ...},
             traverse_sub   =>\&sub,
             validator      =>\&sub,
             errorhandler   =>\&sub,
             template       =>$filepath,
             postsubmit     =>\&sub,
             params         =>[$param1, $param2...]}