What I did: linked note to calendar
What happened: URL in calendar was not filled in (to give return link to Agenda note) rather the return link was put in Calhdar “notes” field
What I expected: the callback URL to be put in calendar URL field not notes!
Putting in notes fields means link is not “live” in fantastical (while it is in Apple Calendar) manual copy/paste to URL field gives solution that works for both Fantastical and Apple Calendar - why not just put it in the RIGHT field when Agenda sets up the Calendar record?
Things that might be helpful to know (Agenda version, OS and model, etc):