6 demo BO, having said that I couldn't scroll down to bottom of the aspect menu to access the module. This is because by default the menu isn't going to scroll, so you can't watch the back links to The underside. You will find a free module available to make the https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html