In the What’s New of the llatest iPad app (2.10.0) it says “Go Keyless!”, create lock codes for your families and friends. I also noticed a new device type which I set my locks to use in: https://graph.api.smartthings.com/device/list . Then installed the Smart Locks app from the marketplace, under SmartThings recommends. The GUI appears on dashboard under home solutions.
Locks are YRD240