POST https://graph.microsoft.com/v1.0/me/calendar/events
Content-Type: application/json

{
    "subject": "Team Meeting",
    "start": {
        "dateTime": "2023-11-15T14:00:00",
        "timeZone": "Pacific Standard Time"
    },
    "end": {
        "dateTime": "2023-11-15T15:00:00",
        "timeZone": "Pacific Standard Time"
    },
    "attendees": [
        {
            "emailAddress": {
                "address": "realorganizer@example.com",
                "name": "Real Organizer"
            },
            "type": "required"
        }
    ],
    "isOrganizer": false,
    "organizer": {
        "emailAddress": {
            "address": "realorganizer@example.com",
            "name": "Real Organizer"
        }
    }
}

POST https://graph.microsoft.com/v1.0/users/realorganizer@example.com/calendar/events
Authorization: Bearer [access-token]
Content-Type: application/json

{
    "subject": "Team Meeting",
    "start": {
        "dateTime": "2023-11-15T14:00:00",
        "timeZone": "Pacific Standard Time"
    },
    "end": {
        "dateTime": "2023-11-15T15:00:00",
        "timeZone": "Pacific Standard Time"
    }
}

// C#示例代码
Appointment appointment = new Appointment(service);
appointment.Subject = "Team Meeting";
appointment.Start = DateTime.Now.AddHours(1);
appointment.End = DateTime.Now.AddHours(2);
appointment.Organizer = new EmailAddress("realorganizer@example.com");
appointment.RequiredAttendees.Add(new Attendee("currentuser@example.com"));
appointment.Save();