Em "data/talkactions/talkactions.xml" adicione essa tag:
<talkaction words="!bank" separator=" " script="bank.lua"/>
Crie um arquivo em "data/talkactions/scripts" com o nome de "bank.lua" e coloque esse código dentro:
function Player.deposit(self, amount)
if not self:removeMoney(amount) then
player:sendTextMessage(MESSAGE_EVENT_ADVANCE, "[BankSystem]: You dont have money with you.")
return false
end
self:setBankBalance(self:getBankBalance() + a