here is my first MIDI Remote Script for the CC121. I posted it over at the CC121 forum:
Source is also there… @steve : Sorry I didn’t follow your guide exactly, I though it makes sense to post it in that forum but link from here only. The guide is ok, but I would allow to upload the source js in a separate zip as well. Which gives 2 files per post… https://forums.steinberg.net/t/have-you-created-a-cubase-midi-remote/771585/2