Magento2 get the product URL in invoice mail

Question

I want to make the items clickable in the transactional mails. I modified the order mail (items/default.phtml) and added the following code:

<?php $_item = $block->getItem() ?>
<a href="<?= $_item->getProductUrl(); ?>"> <?= $block->escapeHtml($_item->getName()) ?></a>

However when I add the same code to the invoice mail (items/default.phtml) the value of getProductUrl() is empty.

How can I access the product URL in the invoice?

Thanks in advance.

Answer 1

Try this

$product_url= $_item->getOrderItem()->getProduct()->getProductUrl();
<p class="product-name"><a href="<?= /* @noEscape */ $product_url; ?>"><?= $block->escapeHtml($_item->getName()) ?></a></p>