struct Test {
    void SayHello() {
        Cout() << "Hello\n";
    }
};

.. bindings ...

RootTable(vm).Bind("Test", Class<Test>(vm)
    .Func("SayHello", &Test::SayHello)
);
	
Test globTest;	
RootTable(vm).SetInstance("globTest", &globTest);


.. and the script ..

local test = Test();
test.SayHello();
globTest.SayHello();