I yell come on, come on, come on and reward them with either food from a bucket I carry or a few BOSS. Started the first time by giving the evening meal of FF when in the coop before roost and saying it. Then do the same to call them in at night or when I want to leave and go somewhere.
Do the same often when outside just to get them to come and will drop a few seeds.
But now that spring is here (sort of) I just pick up the shovel and start digging.....LOL they know it means possible unearthing of goodies.
Lol... I give them some worms occasionally and grubs if I can find them. One of the buff Orpingtons (I so rudely nicknamed Gluttony

What does BOSS and FF mean?
-Jeym