[HELP] esx fuel pricing

FiveM Resource Development Discussion
1

So i am using esx and i have a modified version of frfuel that works with it, the thing is it didnt include fuelCost x fuelAmount part of the script so that it could calculate the cost it just had fuelCost, so i added it myself and it works, the only thing that doesnt work it the chat messages nothing comes up even after the money gets taken away

fuelCost = 2

function round(num, numDecimalPlaces)
  local mult = 5^(numDecimalPlaces or 0)
  return math.floor(num * mult + 0.5) / mult
end

RegisterServerEvent('frfuel:fuelAdded')-- fuel events
AddEventHandler('frfuel:fuelAdded', function(amount) --fuelAmount
	TriggerEvent('es:getPlayerFromId', source, function(xPlayer)
		if (xPlayer) then
			local cost = (amount) * (fuelCost)
			xPlayer.removeMoney(round(cost)), function(response, success)
			if(success)then
				TriggerClientEvent('chatMessage', source, "SYSTEM", {255, 0, 0}, "You filled up with " .. round(amount) .. " litres of fuel")
				TriggerClientEvent('chatMessage', source, "SYSTEM", {255, 0, 0}, "Filling up today cost you $" .. round(cost))
			else
				TriggerClientEvent('chatMessage', source, "SYSTEM", {255, 0, 0}, "You do not have enough money")
			end
		else
			TriggerEvent("es:desyncMsg")
		end
	end)
end)