ORDER_CREATED_EVENT = "order.created" ORDER_CANCELLED_EVENT = "order.cancelled" REVIEW_SCHEDULED_EVENT = "review.scheduled" RENTAL_OPENED_EVENT = "rental.opened" RENTAL_PAYMENT_REGISTERED_EVENT = "rental.payment_registered" RENTAL_RETURN_REGISTERED_EVENT = "rental.return_registered" SUPPORTED_EVENT_TYPES = ( ORDER_CREATED_EVENT, ORDER_CANCELLED_EVENT, REVIEW_SCHEDULED_EVENT, RENTAL_OPENED_EVENT, RENTAL_PAYMENT_REGISTERED_EVENT, RENTAL_RETURN_REGISTERED_EVENT, )