Shopify Schema Markup for Reviews Widget is often rather tough (as it relies on the overview applications that you are applying), I like to recommend you leave it on the experts.  Posted August three, 2018 Hello Zohaib, Many thanks for repairing the link, I'm able to now see the demo. https://bookmarkingdelta.com/story19656054/not-known-details-about-json-schema-primary-key