Add a default SecurityGroup for any newly created user

AddSecurityGroup.php

<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');

/**
 * Add a default SecurityGroup for any newly created user
 */
class AddSecurityGroup
{
    function add_default_group($bean, $event, $arguments)
    {
        if(empty($bean->id) || $bean->new_with_id == true)
        {
            $default_group = BeanFactory::getBean('SecurityGroups');
            $default_group->retrieve_by_string_fields(array('name'=>'Owner_Only_Group','deleted'=>0));
            $default_group->load_relationship('users');
            $default_group->users->add($bean->id);
        }
    }
}