Take note: After you switch on the State-of-the-art editor, that certain Schema style will always need to be edited with the State-of-the-art Editor. But, there is nothing to bother with. The first step is to add structured markup to your website. You can look for ways to set this up, https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html