Inside Microsoft® Exchange Server 2007 Web Services

Chapter 10. Scheduling Meetings

Calendar items can be used to represent a meeting between two or more parties. In Exchange Web Services (EWS), these parties are called attendees. Attendees are stored on a calendar item in one of three different attendee collections and are classified based on which collection they are contained in. Any calendar item that has attendees is called a meeting and this designation can be identified by checking the IsMeeting property on a calendar item.

The required attendees collection is for attendees who must be able to attend the meeting in order for it to occur. The optional attendees collection is for attendees who are not required. The resources attendee collection is for denoting meeting resources (such as rooms ...