If you have followed our guide on setting up two-way sync with Google calendar, LatePoint should automatically block time slots of the events that you create in Google Calendar. If you see your calendar events in “grey” instead of “green” it means something is preventing Google to push updates to your server. Some membership plugins might block admin-post.php access, make sure that your-site.com/wp-admin/admin-post.php?action=latepoint_route_call&route_name=google_calendar__event_watch_updated&agent_id=1 is not blocked and is not redirected on your site.

Your can find more information here: