Graph API - Difference in Calendar events between users
Hi All, I have a .NET 3.1 WebApp running an Application Permission Graph API instance. I have noticed some discrepancies when using the .Calendar.CalendarView and .Events extensions. I have found that some events, that should be returned, aren't returned by the API. This is my C# code that I use: ICalendarCalendarViewCollectionPage response = await _graphClient.Users[userId].Calendar.CalendarView .Request(new List { new QueryOption("startDateTime", startDate.ToString("yyyy-MM-ddTHH:mm:ssZ")), new QueryOption("endDateTime", endDate.ToString("yyyy-MM-ddTHH:mm:ssZ")) }) .Header("Prefer", "outlook.timezone=\"Europe/London\"") .GetAsync(); Where startDate is a Monday, and endDate is a Sunday. The UserId is definitely correct as it does return some correct events. For example, I and another colleague are booked onto a Recurring Teams Meeting. Neither of us are the organiser but the organiser does exist in the tenant. When I call the code block above, the meeting IS CORRECTLY returned from that call in the response. But if I switched the UserId to my Colleague's UserId, it won't return that meeting from the API. The meeting DOES show on both of our calendars on Outlook Old & New. I use the old version of outlook, and he uses the new version of outlook. I'd also like to note that some recurring meetings do show up on the faulty user's Calendar View, just certain ones do not, so I'm pretty sure that the fact that the event is recurring doesn't matter. Does anyone have any insight into this? Thanks
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