// set the name of the trigger to the number of experience points you want the player
// to have.
void main()
{
   object oPC=GetEnteringObject();
   object oWP=GetNearestObjectByTag("LEVELUP_POINT");
   string sName=GetName(oWP);
   int nX=StringToInt(sName);
   if (GetIsPC(oPC)==TRUE)
   { // PC
     if (nX>GetXP(oPC))
     { // level up
       SetXP(oPC,nX);
     } // level up
   } // PC
}