function TerminateAccount($params)
{
    $result = select_query('ion_module', 'ion_sid', array('whmcs_sid' => $params['serviceid']));
    $ion_sid = 0;
    if (mysql_num_rows($result) > 0) {
        $ion_sid = mysql_fetch_array($result, MYSQL_NUM)[0];
    }
    if ($ion_sid == 0) {
        return;
    }
    return APIClient::requestCancellation(ION_API, array('serverID' => $ion_sid, 'message' => 'This server has been cancelled through our billing system and we are no longer being paid by our client for this server. Please cancel it.'));
}