Shopify Schema Markup for Evaluations Widget is often really hard (mainly because it depends on the evaluate applications that you are using), I recommend you leave it for the industry experts.  Please check the demo instance down below, exactly where the module is set up and configured in debug mode. https://throbsocial.com/story21417540/the-smart-trick-of-json-schema-is-not-supporting-please-check-your-json-that-no-one-is-discussing