function onAdvance(cid, skill, oldlevel, newlevel)
if(getPlayerStorageValue(cid, 99963) ~= 1 and skill == SKILL__LEVEL and newlevel >= 50) then
doPlayerAddItem(cid, 2160, 10)
setPlayerStorageValue(cid, 99963, 1)
doPlayerSendTextMessage(cid, 22, "You have received 10 crystal coin because you reached level 50")
end
return TRUE
end