How to make mirror icing glaze for cakes

How to make mirror icing glaze for cakes, lol i messed up thought camera was paused and it wasnt, then clicked to un pause it and paused it lmao, i am a ding bat. all i did was add the water glucose, sugar and bring to the boil till it goes clear, then add the condensed milk, gelatin, and mix in till smooth, bring off the heat let it cool down slightly then add the chocolate and use a hand mixer to mix all together, then let it cool till touch cool. 195g water 300g glucose 115g condensed milk 300g sugar 27g br, br,