This documentation describes which Attributes are required, advised, or optional for structured info with Unique meaning to Google Look for. Most Lookup structured information makes use of schema.org vocabulary, but you should count on the Google Lookup Central documentation as definitive for Google Search habits, in lieu of the schema. https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html