How to add product to cart with price 0. It is something like an free product add to cart programmatic ally without any cart rule?

  1. create events.xml on the following location.


<?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="set_custom_price_after_add_to_cart" instance="Vendor\Extension\Observer\Customprice" />
  1. create Customprice.php on following location.



namespace Vendor\Extension\Observer;

use \Magento\Framework\Event\ObserverInterface;

class Customprice implements ObserverInterface
    public function execute(\Magento\Framework\Event\Observer $observer) {
        $item = $observer->getEvent()->getData('quote_item');

        // Get parent product if current product is child product
        $item = ($item->getParentItem()?$item->getParentItem():$item);

        $price = 32; //Set Custom Price Here
        //Set custom price

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