SENTBY

Purpose: To specify the calendar user that is acting on behalf of the calendar user specified by the property in this case for the attendee. This is usually an e-mail address as defined in https://datatracker.ietf.org/doc/html/rfc5545#section-3.3.3. The value should be passed as String containing the URI with "mailto:", for example: "mailto:jane_doe@example.com" See also [https://tools.ietf.org/html/rfc5545#section-3.8.4.1] and [https://datatracker.ietf.org/doc/html/rfc5545#section-3.2.18] Type: String