Currently the only way to add existing user to a group via invite is by using Invite Link (prepared via Invite Token), more details here:
The Invite Link can serve this case because the user will only be added to a group if they click on that link.
Currently the only way to add existing user to a group via invite is by using Invite Link (prepared via Invite Token), more details here:
The Invite Link can serve this case because the user will only be added to a group if they click on that link.