Shopify Schema Markup for Reviews Widget can be pretty tough (mainly because it relies on the review applications that you're using), I like to recommend you leave it into the authorities.  Find Google Search, Schema.org, Open Graph or Twitter schema markup from the menu. Following that the form will probably https://cruxbookmarks.com/story19537482/prestashop-social-live-chat-support-with-messenger-no-further-a-mystery