You will find this function in the HUD configuration file, which by default looks like this:

getUserInfo = function(source)
    local userInfo = {
        id = 12,
        job = "Lixeiro",
        bank = 2000,
        money = 50000
    }

    return userInfo -- Table containing { id = number, job = string, bank = number, money = number }
end

For you to install according to your base, within this topic you will have 3 framework options as examples