A limited set of actions can assigned via macro commands. Incompatible actions are ommited from the generated macro. Also note that Macros are limited to 15 lines each.
https://www.youtube.com/watch?v=fjFdwzh6Nck
https://www.youtube.com/watch?v=EhPYNgO9aVQ
https://www.youtube.com/watch?v=J0QXNsgF9ls
Scholar
Waiting for the new action images to get added in to fully get this good
Make sure to change Double tap L2 to "Cross Hotbar 4 - Left" and Double tap R2 to "Cross Hotbar 4 - Right"
from bun boss video
Scholar Cross Hotbar setup based from Bun Boss FFXIV on Youtube as of May 22, 2022 (except expanded XHB which I regularly access).