I have a 7 yr old Lhatese-I trained him to a litter box-specifically made for dogs. First put cedar shavings in the yard-pretty good size area-kept putting him in same area-then put Feline Pine cat litter in bottom of box, raked some leaves from the yard and put on top of litter, then some cedar shavings-He used it every time. No longer use cedar-just litter under leaves-reason for litter is it absorbs odor and turns into sawdust for easy disposal. When I travel, I take 50 gal size plastic garbage bags and a bag of leaves. I cut open bag to its largest size, put some leaves on it and he does both business easily. Easy to dispose of, don't have to take him out in bad weather. So easy to do.