How do I make a "Create Mod' Blocks?

Dear, anyone who reads this.

You can sort of get what I'm asking for from the title. I'm new to modding for the most part. I'm trying to create a Create mod addon but i don't know how to make a block the interacts with the Create mod's gears and SU's and RPM's and all that jazz. Any form of help would be appreciated, even if it's just pointing me in the right direction to look.

Sincerely, A Caveman trying to Mod

P.S. I have the Create API (Old Version) for forge 1.20 but It dosen't (Or i can't find) a way inside the system to make a create block. This means I need to import code or somthing, and I do not know what that code is/would be.