Which means that you don’t really need to make changes to your HTML’s construction when updating your schema markup. The function continues to be rescheduled to some later date. Update the startDate and endDate with the applicable new dates. Optionally, You may as well mark the eventStatus subject as rescheduled https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html