Thanks for your reply, Certainly, I have checked in that post, below it explained that if you do not have identifier then handed "Sure" or "no" During this identifier_exists param, In PS is utilized microdata format for add schema "" . But the problem is how I'm established the item https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html