Custom product price not working for multi shipping checkout.

Here is my code for the custom product price


<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
 <event name="checkout_cart_product_add_after">
     <observer name="customprice" instance="Custom\Module\Observer\Customprice" />


namespace Custom\Module\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\App\RequestInterface;

class Customprice implements ObserverInterface
 public function execute(\Magento\Framework\Event\Observer $observer) {
     $item = $observer->getEvent()->getData('quote_item');
     $item = ( $item->getParentItem() ? $item->getParentItem() : $item );
     $price = 100; //set your price here

  • have you get any solution for this issue @Lokesh M Oct 6, 2020 at 5:24
  • @divyasekar can you please upload screenshot? Oct 6, 2020 at 7:04
  • can you try to move your events.xml to etc folder? Oct 7, 2020 at 14:11

1 Answer 1


The prices of the items are set in the following functionality:


Inside the _initItem() function you can find the logic that obtains the final price for configurable or simple products, in this logic the$this->_calculateRowTotal($item, $finalPrice, $originalPrice) function is called which sets the Item price.

You can use a <preference /> and override the logic of one of those methods (_initItem() or _calculateRowTotal) to apply your custom price, for example:


<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\Quote\Model\Quote\Address\Total\Subtotal" type="Vendor\YourModule\Model\Quote\Address\Total\Subtotal"/>

Create your custom class


namespace Vendor\YourModule\Model\Quote\Address\Total;

class Subtotal extends \Magento\Quote\Model\Quote\Address\Total\Subtotal
     * {@inheritDoc}
    protected function _calculateRowTotal($item, $finalPrice, $originalPrice)
        // apply your logic to get the custom prices
        $finalPrice = 10; // your final custom price
        $originalPrice = 10; // your original custom price
        return $this;
  • Let me check and update you Oct 8, 2020 at 4:34
  • I was get the custom price. Where going to set my custom price in the above function Oct 8, 2020 at 9:21
  • When i click a checkout with multiple address I get the custom price value as null Oct 8, 2020 at 12:32
  • @divyasekar You have to change the $finalPrice and $originalPrice values using your custom logic. Oct 8, 2020 at 13:56

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