code: public function getPcaServices($pp)
      {
          if (!$pp)
              throw new BadMethodCallException('Missing parameter $pp (passport).');
          try {
              $r = $this->get('cloud/' . $pp . '/pca')->send();
          } catch (\Exception $e) {
              throw new CloudException($e->getMessage(), $e->getCode(), $e);
          }
          return $r->getBody(true);
      }
docs: Get PCA services associated with this cloud passport
  
  @param string $pp OVH cloud passport
  @return string (json encoded array)
  @throws \Ovh\Cloud\Exception\CloudException
  @throws \Ovh\Common\Exception\BadMethodCallException