public function &notifications_sendEmail_vo($recipients, $subject, $text, $fbml, $campaign_name, $msg_data_array = null, $page_data_array = null)
 {
     $msg_info_array = $this->m_an->m_ab_testing_mgr->get_selected_msg_info($campaign_name, $msg_data_array);
     $page_info = $this->m_an->m_ab_testing_mgr->get_selected_page_info($campaign_name, $page_data_array);
     $msg_id = $msg_info_array[0];
     $msg_text = $msg_info_array[2];
     $st1 = $this->m_an->format_kt_st1($campaign_name);
     $st2 = $this->m_an->format_kt_st2($msg_id);
     $st3 = $this->m_an->format_kt_st3($page_info[0]);
     $uuid = $this->m_an->gen_email_link_vo($fbml, $msg_text, $st1, $st2, $st3);
     $r = parent::notifications_sendEmail($recipients, $subject, $text, $fbml);
     if (!empty($r)) {
         $this->m_an->kt_email_send($this->m_an->get_fb_param('user'), $recipients, $uuid, null, $st1, $st2, $st3);
     }
     return $r;
 }