//Put this OnEnter
void main()
{

object oPC = GetEnteringObject();

if (!GetIsPC(oPC)) return;

if (GetItemPossessedBy(oPC, "dungeon_token")!= OBJECT_INVALID)
   return;

object oTarget;
object oSpawn;
oTarget = GetWaypointByTag("wp_dungeon_token");

oSpawn = CreateObject(OBJECT_TYPE_ITEM, "dungeon_token", GetLocation(oTarget));

}