Magento 2 - can not get custom attribute in product for add to cart

Question

I want to add remark input text field in checkout page I follow Magento 2 - Set custom attribute value on cart page to set custom attribute in quote_item.

In configurable.phtml

    <div class="field configurable required">
        <div class="control">
            <input type="text" name="remark" id="remark">
        </div>
    </div>

In catalog_attribute.xml

<group name="quote_item">
    <attribute name="remark"/>
</group>

In SalesQuoteItemSetCustomAttribute

public function execute(\Magento\Framework\Event\Observer $observer)
{
    $product = $observer->getProduct();
    $quoteItem = $observer->getQuoteItem();
    $quoteItem->setRemark($product->getRemark());
}

But $product->getRemark() is null, inside /checkout/cart/add/ do I need to set remark in product directly from http request?

Answer 1

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Catalog:etc/catalog_attributes.xsd">
    <group name="quote_item">
        <attribute name="remark"/>
    </group>
</config>

Set the product attribute directly to $quoteItem. You don't have to set it manually.

Have a look inside $quoteItem->getData('remark') it should be already there.

Answer 2

Instead of using a magic method, try accessing the value through getData().

$product->getData('remark');