/**
  *
  * @param  $pUser = NULL
  * @return
  */
 public function active_session($pUser = NULL)
 {
     $sgt = Synerg_Model_Gametypes::getInstance()->synergy_gametype();
     $sgt_id = $sgt->identity();
     return parent::active_session($sgt_id, $pUser);
 }