[ad_1]
Hi there!
Fixed groups of people, is not feature of Better Messages at the moment.
But you can use BuddyPress Groups, Ultimate Member Groups or PeepSo Groups. There is possibly to create Groups of people and Better Messages can automatically create chats with that group members.
https://buddypress.org/about/groups/
https://www.peepso.com/knowledgebase/creating-group/
https://ultimatemember.com/extensions/groups/
Thanks!