Click on your profile photo in the upper right-hand corner.
Click on "Settings"
Scroll down to find the listing you want to link a lock to and click the "Settings" button next to it.
Under the heading "Smart Locks" choose the lock you'd like to link from the drop-down "Locks" menu.
Once you have linked the lock to your listing, you will see which listing the lock is linked to on your settings page.
How to link a lock to a listing so that Host Tools can automate setting door codes.
Written by Jenny KronesUpdated over a week ago