You can configure to turn off multiple WeMo bulbs at once (most probably multiple lights of a single room) when a specific device (lock of that room) on our Kwikset cloud has been locked.
Then
Turn off a group of lights
Turns off the selected group of WeMo lights. If the group is already off it will remain off.
ID bBTGK5XZ
Explore more great ways to automate Kwikset Smart Locks and WeMo Lighting