You can start using eventAttendanceMode Although It is nevertheless pending on schema.org. Here's an example of an event that is only taking place online: Este módulo se nutre de toda la información almacenada en Prestashop para configurar correctamente los microdatos en tu tienda online: - Delivering ‘high quality’ outcomes => https://socialmarkz.com/story9882899/not-known-details-about-markup-schema-json-schema