The previously scheduled start day to the function if an function is rescheduled. In case you insert previousStartDate, you will need to also insert the eventStatus residence and established the eventStatus to EventRescheduled. Don't use other occasion statuses. Check that The placement.name area works by using The placement title, or https://apollobookmarks.com/story18588143/top-guidelines-of-json-schema-draft-4-sample