Many ways/variations, but this works for me.
Season with 50/50 mix of course salt and course pepper, like Tafkap said, 24hr prior. Keep refrigerated. Set it out on counter 1hr prior to putting on smoker.
Option1:
Smoke uncovered, 250 degree, until internal temp is 185. Wrap tight in foil and allow to rest and cool before carving. If it steams when carving, you are losing your moisture. Let it cool longer.
Option 2:
Smoke uncovered 250 degree until internal temp reaches 150. Wrap tightly in foil or butcher paper and continue cooking until 185 degree. Let it rest until doesn't steam off when slicing.