PayPal\Api\RelatedResources::setAuthorization PHP Method

    public function setAuthorization($authorization)
    {
        $this->authorization = $authorization;
        return $this;
    }

 public static function createRelatedResources()
 {
     $relatedResources = new RelatedResources();
     $relatedResources->setAuthorization(AuthorizationTest::createAuthorization());
     $relatedResources->setCapture(CaptureTest::createCapture());
     return $relatedResources;
 }