The Problem Isn't Eligibility. It's Discovery

To see detailed information for automatically created events like this one, use the official Google Calendar app. https://g.co/calendar This event was created from an email you received in Gmail. https://mail.google.com/mail?extsrc=cal&plid=ACUX6DM6bwhdq0B5HaprbxJO-5M4uBOIH_9SM8M