You missed a step where you set the people up.
- Open “Home” app.
 - “Automation” tab.
 - Top right corner select “Add Automation”
 - Click “People Arrive” (and “People Leave” for your exit automation)
 - Click the “i” beside “Anyone Arrives” and select just 1 person (do this over and over for each person you create an automation for). Hit “Next”.
 - Scroll to the bottom and choose “Convert to Shortcut”.
 - Follow the directions above.