void main()
{
   string sTag=GetTag(OBJECT_SELF);
   object oDoor=GetNearestObjectByTag(sTag,OBJECT_SELF,1);
   if (oDoor!=OBJECT_INVALID&&oDoor!=OBJECT_SELF)
   { // open door
     AssignCommand(oDoor,ActionOpenDoor(oDoor));
   } // open door
}