If you would like to manage a group of users, you need to setup a
product profile in Experience Cloud admin and choose the users that
belong to the group. Then, when sharing your project, you can choose
that profile group to share to. That way, if people move in and out of
the group, your shared project does not need to change; you just manage
membership in the Exp Cloud admin console. I'm not aware of a way to
manage groups outside of the Experience Cloud admin console. That would
be a good fea...