An Search engine optimization schema module for PrestaShop is a plugin that means that you can include structured facts, often called schema markup, to your store pages. Please check the demo occasion below, exactly where the module is set up and configured in debug method. It is actually working fine https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html