private function getOAuth1AuthorizationHeader($baseURL, $queryParameters, $HttpMethod){
      $oauth1 = new OAuth1(
        $this->context->requestValidator->ConsumerKey,
        $this->context->requestValidator->ConsumerSecret,
        $this->context->requestValidator->AccessToken,
        $this->context->requestValidator->AccessTokenSecret
      );

      $AuthorizationHeader = $oauth1->getOAuthHeader($baseURL, $queryParameters, $HttpMethod);
      return $AuthorizationHeader;
    }