public function importarUrgsExternas()
 {
     $legacy_urgs = $this->consultarLegacyUrgExternas();
     if (count($legacy_urgs) > 0) {
         foreach ($legacy_urgs as $legacy_urg) {
             $urg_externa = new UrgExterna();
             $urg_externa->urg_externa = $legacy_urg->ures_ext;
             $urg_externa->d_urg_externa = $legacy_urg->d_ures_ext;
             $urg_externa->save();
         }
     }
 }