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.
From Bun Boss video
from Bun Boss video
From Bun Boss video but slighly modified
Paladin replacement.
This hotbar is pulled from Gingergaming's channel and is used for myself with some modifications to remove macro usage.
Maybe?
Here is my gunbreaker cross hotbars!
The crystal is a potion item.