This code create a custom field on the single product page you can use with a shortcode to add content to page builder or block in your product description or anywhere else on the page.
Based on this question from the WooCommerce community :
Is there a way to create or add custom fields to the product description? I am using a page builder and want a little more control over where things land on the page.
The code from this free download can be added to the end of your child themes functions file or custom code snippets/functionality plugin.
How To Use The Shortcode
Here’s 2 screenshots showing how to use the custom field and shortcode on your single product page.
Using the code? If you are using the code from this post, please leave a review.