code: public function setGetLowestOfferListingsForSKUResult($value)
      {
          if (!$this->_isNumericArray($value)) {
              $value = array($value);
          }
          $this->_fields['GetLowestOfferListingsForSKUResult']['FieldValue'] = $value;
          return $this;
      }
docs: Set the value of the GetLowestOfferListingsForSKUResult property.
  
  @param array $value getLowestOfferListingsForSKUResult
  @return $this This instance