Thank you very much for your feedback, but as a result of my research, as can be seen in the link I shared, there is information that you cannot manually add a sitemap to Shopify.click for link 

I set up a structure on my product page where I can update the URL with js after the users select the variant of the product.Below is a basic code example. {% for variant in product.variants %} {% assign vTitle = variant.title | split: " / " %} <...