This is just a idea the way add it as an addon to MyWeb Panel.
PHP:
$api = My::app()->getApi();
$role = CAuth::selectedRoleId();
$roleData = $api->getRole($role);
if ($roleData['status']['meridian_data'] != '0000005000000000000000000000000500000064000000000000000100000000000000000000000000000000000000000000000000000000'){
$roleData['status']['meridian_data'] = '0000005000000000000000000000000500000064000000000000000100000000000000000000000000000000000000000000000000000000';
if($api->putRole($role, $roleData)) {
echo 'success';
}else {
echo 'system error';
}
}