[SOLVED] Retrieve subject line from the organiser rather than invitee's using Microsoft Graph API

Retrieve subject line from the organiser rather than invitee's using Microsoft Graph API

Just to start off, anything in the {} is just a variable passed in a foreach loop - but for simplicity's sake...

I am currently calling the Microsoft Graph API to call our meeting room calendar, and list the next 3 events:

https://graph.microsoft.com/v1.0/users/{id}/calendar/calendarView?StartDateTime=YYYY-MM-DDT08:00:00.0000000Z&EndDateTime=YYYY-MM-DDT18:00:00.0000000Z&select=start,end,organizer,subject

Which will return the correct details for that room, and its events:

Array (
    [@odata.etag] => W/"1QAcmk6aukS..."
    [id] => AAMkADRkM2I5MTk5LTZmO...

    [subject] => {Organiser's First Last} 

    [start] => Array (
        [dateTime]      => 2019-05-10T09:15:00.0000000
    )

    [end] => Array (
        [dateTime]      => 2019-05-10T09:30:00.0000000
    )

    [organizer] => Array (
        [emailAddress] => Array (
            [name]      => First Last
            [address]   => email@domain.ltd
        )

    )
)

However, as you can see I am getting the subject as the organiser's name rather than the meeting subject. This is a result of the room not being the organiser and their calendar stating they have a meeting with said person.

Is there a way to look up that organiser's subject for that meeting and having it pull the correct subject line?

I have tried using the [id] but they don't seem to match the user <-> room [id].

I have tried running the API call as so:

https://graph.microsoft.com/v1.0/users/{[organizer][email][address]}/calendar/calendarView?StartDateTime={[start][dateTime]}&EndDateTime={[end][dateTime]}&select=subject

Which works only if there are no all day events or overlapping events for that user.

Is there a way to correlate these items?

Solution