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.
preliminary
Set Samurai lv90
Set blackmage EW
Using Early Gluttony Opener from The Balance
https://www.thebalanceffxiv.com/jobs/melee/reaper/openers/
Single target and Reaver skills on right, AOE and gauge skills on left, buffs and healing in similar place to other DPS setups.
from bun boss video
Valen Bree