To include a meta search phrase, click the field and validate by pressing "Return". You are able to remove tags by clicking the cross. Hook Overview: This hook enables you to insert any more fields or details to the product development/edit web page. Adding custom fields to products in PrestaShop https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html