void main()
{

object oPC = GetEnteringObject();

if (!GetIsPC(oPC)) return;

if (GetItemPossessedBy(oPC, "olinasball")!= OBJECT_INVALID)
   {

   return;
   }


    {
         object oTarget;
         object oSpawn;
    oTarget = GetWaypointByTag("wp_olina_ball");
    oSpawn = CreateObject(OBJECT_TYPE_ITEM, "olinasball", GetLocation(oTarget));
    }
}