But i have and doesn't work
My code:
function onUse(cid, item, fromPosition, itemEx, toPosition)
local sex = (getPlayerSex(cid) == 0 and 1 or 0)
return (doPlayerSetSex(cid, sex) and doRemoveItem(item.uid) and doSendMagicEffect(getCreaturePosition(cid), CONST_ME_MAGIC_RED))
end