Send email notification when contact RSVPs

We use our agency account to email on behalf of our clients. One of them is hosting an event and we'd like to use the RSVP block but it appears that the only notification of RSVP is in the campaign reports. I searched the forums regarding this and saw several requests dating back to 2017, but not real resolution. Is this something that's in the offing? Our client does not have direct access to her campaigns so we will have to go and track this down and send it to her. It doesn't seem efficient or especially helpful. Wondering how the progress is going on this. Thank you.