best way to extract meeting history data with Microsoft Graph

Weslley Wang 1 Reputation point
2020-10-09T14:51:45.727+00:00

sorry I'm new to MS Graph. I'm working on a app to extract meeting history data for past hour/day/week/month for my company. I found there are APIs I can use:

  • List events
  • List calendarView
  • getSchedule

all 3 have different version under Users, Calendar and Groups,
which is the best to do the job?

I heard about delegated permission and application permission.
is delegated permssion good enough for me? or I have to ask for application permission?
one solution I heard: deletegated permission, create a normal account, share all meeting room account to this account. does this work for me?

Thanks
Wes

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
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  1. Deva-MSFT 2,256 Reputation points Microsoft Employee
    2020-10-20T12:01:36.253+00:00

    You need to understand the differences first:

    • List events - its used to retrieve a list of events in a given calendar.
    • List calendarview - using this you can get the occurrences, exceptions, and single instances of events in a calendar view defined by a time range, from the user's default calendar, or from some other calendar of the user's.
    • getschedule - you can get the free/busy availability information for a collection of users, distributions lists, or resources (rooms or equipment) for a specified time period. Also you need to understand the differences between the delegated & application permission - https://learn.microsoft.com/en-us/azure/active-directory/develop/developer-glossary#permissions. In short, if you want to access your calendar then go for Delegated, wherein if you want to access others calendar as well then go for application permission.
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  2. Wang, Weslley 1 Reputation point
    2020-10-20T14:13:21.17+00:00

    Thank you, @Deva-MSFT ,
    List events does not support parameter of date range, so I cannot use it. getSchedule has bug, I already file ticket.
    Do you know if List calendarView work with shared meeting room account. calendarView only related to the login account, e.g. I login as A, if meeting room account B have a meeting not related to A, then calendarView will not get it. so I'm thinking, if I share B to A, then I can use https://graph.microsoft.com/v1.0/users/<accountB>/calendarView?startDateTime=... to get the data.
    I tested it, but got error message:
    {"code":"ErrorItemNotFound","message":"The specified object was not found in the store."}
    what could be wrong?

    Thank you again
    Wes


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