code: public function getMyPriceForSKU($request)
      {
          if (!($request instanceof MarketplaceWebServiceProducts_Model_GetMyPriceForSKURequest)) {
              $request = new MarketplaceWebServiceProducts_Model_GetMyPriceForSKURequest($request);
          }
          $parameters = $request->toQueryParameterArray();
          $parameters['Action'] = 'GetMyPriceForSKU';
          $httpResponse = $this->_invoke($parameters);
  
          $response = MarketplaceWebServiceProducts_Model_GetMyPriceForSKUResponse::fromXML($httpResponse['ResponseBody']);
          $response->setResponseHeaderMetadata($httpResponse['ResponseHeaderMetadata']);
          return $response;
      }
docs: Get My Price For SKU
  <!-- Wrong doc in current code -->
  
  @param mixed $request array of parameters for MarketplaceWebServiceProducts_Model_GetMyPriceForSKU request or MarketplaceWebServiceProducts_Model_GetMyPriceForSKU object itself
  @see MarketplaceWebServiceProducts_Model_GetMyPriceForSKURequest
  @return MarketplaceWebServiceProducts_Model_GetMyPriceForSKUResponse
  
  @throws MarketplaceWebServiceProducts_Exception