Presence sensing

[Alanway]

Would I be able to have my deadbolt unlock when I get home, it locks when I leave? 

[David_K]

You can use the Auto-Lock feature for it to lock automatically when you're home, away, or both:

How to change Nest × Yale Lock's settings with the app - Google Nest Help

There's no feature or setting for it to unlock when you get home, unfortunately. For that, you need to use the app or keypad on the lock itself.