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.
SMN setup that took me to 90. Do I have Swiftcast all over the place? Sure, but that's because when I need it I hate scrambling for it. For the blank spots, I'll usually put in things that I use often out of combat (Eternal Bonding ring, treasure maps, WT
https://imgur.com/a/Eym6nDe
Personal one I have edited while in dungeons and trails and such.
1- 1-0,-,=
2- +shift to above use this for aoe's and multi target stuff
3- num pad 1-9, *, -, +
This is very basic and I will change as I get used to the class.
3 is for AOE combo > R1 to cycle 1 is Standard Combo (Single Target) > Main R1 to cycle 2 is for Role skills, dash, limit break
In this layout, I grouped the attack Motifs & Muses together, along with their action buttons, and your normal single target & group attacks and separated them from the other normal/non-motif/non-muse attacks. That neatly left room for Smudge on the main