I want my garage lights to turn off after 15 minutes after Motion 1 stops sensing motion.
Motion Lighting app will do exactly this. So will Simple Lighting, which like the name implies is much simpler than the other apps.
Edit to add:
Motion Lighting instructions
https://docs.hubitat.com/index.php?title=Motion_Lighting_Apps
Simple Lighting instructions
https://docs.hubitat.com/index.php?title=Hubitat®_Simple_Lighting
Wow! you were so right! And quick too. Very simple.
Thank you.