Answer - The module adds all tags with appropriate facts in json structure and checks around the Google screening Device. Pick Google Look for, Schema.org, Open Graph or Twitter schema markup from the menu. Following that the form is going to be automatically populated with corresponding details from the example, https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html