Available for set up from: both Salesforce Classic and Lightning Experience Available in: Professional, Enterprise, Performance, Unlimited, and Developer Editions For You should know that Salesforce users Changes made to a series don’t affect past events. Changes made to the following fields in an event series override changes previously made to single events.
In addition, if users change any of those fields, all events in the series are deleted and re-created. As a result, the status of all invitees is reset to Not Responded.
API users After users start syncing recurring events, the following read-only API objects appear in the API.