// Process attachments
// code added to the mail function 

      if (isset($message['params']['attachments'])) {
        foreach ($message['params']['attachments'] as $attachment) {
          if (isset($attachment['filecontent'])) {
            $this->AddStringAttachment($attachment['filecontent'], $attachment['filename'], 'base64', $attachment['filemime']);
          }
          if (isset($attachment['filepath'])) {
            $this->AddAttachment($attachment['filepath'], $attachment['filename'], 'base64', $attachment['filemime']);
          }
        }
      }