Calendar add Events with participant as a group

[nextuser99]

As a user I want to create a new event in a calendar
with participant as a group with its members.
Currently it only works through the users.

[just]

It is not yet supported, which you can check on the project github.

• Possibility to add Nextcloud groups as attendees for an event #2955
• [Feature request] Group Calendar #3044
• Possibility to add a Nextcloud circle as attendees for an event [$250] #2954
  Possibility to add a Nextcloud talk group as attendee for an event · Issue #2956 · nextcloud/calendar · GitHub