getrawmetatable Example #742

-- Metatable method
local remote = game:GetService("ReplicatedStorage").DefaultChatSystemChatEvents.SayMessageRequest
local mt = getrawmetatable(game)
setreadonly(mt, false)

local Old = mt.__namecall
mt.__namecall = newcclosure(function(self, ...)
    local args = {...}
    local method = getnamecallmethod()
    if self == remote and method:lower() == "fireserver" then
        args[1] = "Sigma"
        args[2] = "All"
        return self.FireServer(self, unpack(args))
    end
    return Old(self, ...)
end)

setreadonly(mt, true)