add_event_handler('load_ap_templates_list', 'Add_My_Model');
function Add_My_Model($distribued)
{
   $My_Model = array( //Add you own values
     'name'       => 'My Model', 
     'title'      => '', 
     'permalink'  => '', 
     'lang'       => 'ALL', 
     'homepage'   => false, 
     'standalone' => false, 
     'level'      => 0, 
     'users'      => array('guest', 'generic', 'normal', 'admin', 'webmaster'), 
     'groups'     => array(), 
     'content'    => '', 
   ); 

  $distribued=array_push($distribued, $My_Model);
  return $distribued;
}