Exemplo de talkaction:

local config =
{
cost = 10000
}

function onSay(cid, words, param)
if(doPlayerRemoveMoney(cid, config.cost) ~= TRUE) then
	doPlayerSendCancel(cid, "Not enought money, remove frag cost " .. config.cost .. "gp.")
	return TRUE
end

doPlayerAddFrags(cid, -1) --remove 1 frag
return TRUE
end

Créditos: slawkens

Em data/lib/function.lua adicione:

doPlayerAddFrags(cid, amount)

function doPlayerAddFrags(cid, amount)
return doPlayerSetRedSkullTicks(cid, getPlayerRedSkullTicks(cid) + getConfigInfo('timeToDecreaseFrags') * amount)
end

doPlayerAddLevel(cid, amount[, round = FALSE])

function doPlayerAddLevel(cid, amount, round)
local newExp = 0
local currentLevel = getPlayerLevel(cid)
if(amount > 0) then
	newExp = getExperienceForLevel(currentLevel + amount) - (round == TRUE and getPlayerExperience(cid) or getExperienceForLevel(currentLevel))
else
	newExp = -((round == TRUE and getPlayerExperience(cid) or getExperienceForLevel(currentLevel)) - getExperienceForLevel(currentLevel + amount))
end

return doPlayerAddExp(cid, newExp)
end