code: public function getCurrentMonitoring($domain, $type)
      {
          $type = strtolower($type);
          if (!$domain)
              throw new BadMethodCallException('Parameter $domain is missing.');
          if (!in_array($type, array('cpu:max', 'cpu:used', 'mem:max', 'mem:used', 'net:rx', 'net:tx')))
              throw new BadMethodCallException('Parameter $type must be "cpu:max" or "cpu:used" or "mem:max" or "mem:used" or "net:rx" or "net:tx". "' . $type . '" given.');
          try {
              $r = $this->get('vps/' . $domain . '/use?type=' . $type)->send();
          } catch (\Exception $e) {
              throw new VpsException($e->getMessage(), $e->getCode(),$e);
          }
          return $r->getBody(true);
      }
docs: Get current monitoring
  
  @param string $domain
  @param string $type "cpu:max" or "cpu:used" or "mem:max" or "mem:used" or "net:rx" or "net:tx"
  @return string json encoded
  @throws \Ovh\Common\Exception\BadMethodCallException
  @throws Exception\VpsException