If a customer logins to your store, he will not come across his Formerly extra products while in the cart and everytime he abandones a cart, a fresh entry will be produced for him in abandoned cart listing. Be aware: When the banner doesn’t seem following the implementation, check in https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html