function onKill(cid, target)
return getPlayerStorageValue(cid, 11551) == 1 and doPlayerAddExperience(cid, getMonsterInfo(string.lower(getCreatureName(target))).experience * 0.5) or true
end
XML
<event type="IDK what i must write here :p" name="vip exp" event="script" value="vip exp.lua"/>