Schema.org is really a tree-like info model, meaning that its phrases also have interactions between on their own by way of hierarchy. This is named course hierarchy The occasion is rescheduled into a later on date. Update the startDate and endDate with the applicable new dates. Optionally, It's also possible https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html