import Users from 'meteor/vulcan:users'; const guestsActions = [ "comments.view" ]; Users.groups.guests.can(guestsActions); const membersActions = [ "comments.view", "comments.new", "comments.edit.own", "comments.remove.own", "comments.upvote", "comments.cancelUpvote", "comments.downvote", "comments.cancelDownvote" ]; Users.groups.members.can(membersActions); const adminActions = [ "comments.edit.all", "comments.remove.all" ]; Users.groups.admins.can(adminActions);