function efx_auto_subscribe_usergroup( $new_status, $old_status, $post ) {
        global $edit_flow;
        
        // Choose the slug for whichever status you'd like to auto-subscribe on
        if ( 'story-idea' == $new_status ) { 
                // You'll need to get term IDs for your user groups and place them as
                // comma-separated values
                $usergroup_ids_to_follow = array( 90
                                // 88,
                        );
                $edit_flow->notifications->follow_post_usergroups( $post->ID, $usergroup_ids_to_follow, true );
        }
        
        if ( 'assigned' == $new_status ) { 
                $edit_flow->notifications->follow_post_usergroups( $post->ID, 0, false );
                // You'll need to get term IDs for your user groups and place them as
                // comma-separated values
                $usergroup_ids_to_follow = array( 88
                                // 88,
                        );
                $edit_flow->notifications->follow_post_usergroups( $post->ID, $usergroup_ids_to_follow, true );
        }
        // Return true to send the email notification
        return true;
}
add_filter( 'ef_notification_status_change', 'efx_auto_subscribe_usergroup', 10, 3 );