Thanks for your reply, Sure, I've checked in that posting, below it reported that If you don't have identifier then passed "Sure" or "no" In this particular identifier_exists param, In PS is made use of microdata format for include schema "" . But the situation is how I am set https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html