If you click on “Add to calendar” very little details are forwarded to the calendar (for instance Google). Although it’s very important that the customers have as much details in their calendar as possible, otherwise they need to do it manually…
Attached are two screenshots, the first one shows how a Zoom Webinar looks when directly click on Add it to Calendar.
The second is how it looks when you click on Add to Calendar from Elfsight.
Folks, our former Wishlist portal, where our users shared their requests and suggestions, was transferred to this forum. You’re most welcome to vote, add new ideas, and leave your comments here — we surely will consider them all! 
Original Votes: 7
The functionality has been updated! 
Once the event is added to the Google calendar, the event’s description will get forwarded as well.
Feel free to check the widget in full in our Event Calendar online demo (Event Calendar - Add Calendar widget to website (free and fast)) !
You are welcome to share your thoughts concerning this functionality in the comments section 