/** * @param \Magento\Quote\Model\Quote $quote * @param Address\Total $total * @return array|null */ public function fetch(\Magento\Quote\Model\Quote $quote, \Magento\Quote\Model\Quote\Address\Total $total) { if ($total->getShippingInclTax()) { return ['code' => 'shipping', 'shipping_incl_tax' => $total->getShippingInclTax()]; } return null; }