To create conditional pre-moves in Correspondence

Hi,
I want to know how to create conditional pre-moves in Correspondence games. It says play a variation to create them. But how?? It would be better if this feature would be there as it is an interesting and awaited one.
Thanks in advance

@Akbar2thegreat The documentation here is poor. You play the opponent's move (what you suspect they'll do) and then your follow up move, and then you see a green + in the premove list (top left) - if you click on that it registers the premove. You can do this multiple times.

@Doofenshmirtz
Sorry, but I am unable to see any kind of thing which you mentioned (green, pre-move list)....

@Akbar2thegreat So, it's your opponents go. You click on the icon which looks like a magnifying glass, near where your score is (the "analysis board" icon). On that screen, you can see the text I thought you were referring to ("play a variation to create conditional premoves"). So...first move an opponent's piece somewhere legal. Next, make your move in response to that move. The moment you move this (second) piece you'll see a black plus in a green square (well, I do, in dark mode) where the "play a variation..." text was, and the text will change to something like "add current variation: 14. c4 bc2". If you click the black/green plus it'll register your premove. Ok?

@Doofenshmirtz
Thanks a lot, sir!! This is working and I am able to create multiple pre-moves!! Never noticed it....
Have a good day☺