I would like to create a "Live Preview" button for themes in Shopify. Think about each theme as a product in Shopify and each theme product page has a "Live Preview" button that goes to live demo page of theme.
I would like to list all of my themes to my Shopify website with CSV and this CSV includes "Live Preview" link of the theme.
I want this "preview link" button grabs this link for theme product page.
I wrote this code "product-template.liquid" assign it to But, it does not work
{% assign preview_link = product.description | split: "Product Description" | first%} . . .
Live Preview
I need the code grab Live Preview button from