public function issueEvent($request, $event, $due_date, $context = array(), $params = array(), $customparams = array())
 {
     if (!empty($request->metaUser)) {
         $context['user_id'] = $request->metaUser->userid;
         $userid = $request->metaUser->userid;
     } else {
         $context['user_id'] = 0;
         $userid = 0;
     }
     if (!empty($request->metaUser->focusSubscription->id)) {
         $context['subscription_id'] = $request->metaUser->focusSubscription->id;
     }
     if (!empty($request->invoice->id)) {
         $context['invoice_id'] = $request->invoice->id;
     }
     if (!empty($request->invoice->invoice_number)) {
         $context['invoice_number'] = $request->invoice->invoice_number;
     }
     $aecEvent = new aecEvent();
     return $aecEvent->issue('mi', $this->info['name'], $this->id, $event, $userid, $due_date, $context, $params, $customparams);
 }