/**
  * Returns the attribute's data
  *
  * @param ProductAttributeInterface $productAttribute
  *
  * @return array
  */
 protected function getAttributeData(ProductAttributeInterface $productAttribute)
 {
     $sellPrice = $productAttribute->getSellPrice();
     $baseCurrency = $sellPrice->getCurrency();
     return ['id' => $productAttribute->getId(), 'finalPriceGross' => $this->currencyHelper->convertAndFormat($sellPrice->getFinalGrossAmount(), $baseCurrency), 'sellPriceGross' => $this->currencyHelper->convertAndFormat($sellPrice->getGrossAmount(), $baseCurrency), 'discountPriceGross' => $this->currencyHelper->convertAndFormat($sellPrice->getDiscountedGrossAmount(), $baseCurrency), 'stock' => $productAttribute->getStock(), 'symbol' => $productAttribute->getSymbol()];
 }