How to get attendance of users who join live event online through Microsoft Graph API ?

Question

I found there is API for getting online meeting on Microsoft Graph APIhttps://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fgraph%2Fapi%2Fonlinemeeting-get%3Fview%3Dgraph-rest-beta%26tabs%3Dhttp&data=04%7C01%7Co365sup4%40microsoft.com%7Ce4a84eae499a4a41738e08d8b09ce571%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637453535225246611%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=O4XusHw%2BQZTV9ZdHO2Ry4x%2FgfcL2azq2ui3LDru0AKQ%3D&reserved=0

But there is no any attendees in the request, only creator in the attendees list.

I was wondering if there is way to get attendees through API.

Beside, there is "Call" API to get participant, how to get the call id since i don't find any information to get it.

Call – Get call https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fgraph%2Fapi%2Fcall-get%3Fview%3Dgraph-rest-beta%26tabs%3Dhttp&data=04%7C01%7Co365sup4%40microsoft.com%7Ce4a84eae499a4a41738e08d8b09ce571%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637453535225256568%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=lyQYLWUrZBARpBH5THaVJsqG7Qy5TijbQ8ny9TKQY18%3D&reserved=0

Call - Get participant https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fgraph%2Fapi%2Fparticipant-get%3Fview%3Dgraph-rest-beta%26tabs%3Dhttp&data=04%7C01%7Co365sup4%40microsoft.com%7Ce4a84eae499a4a41738e08d8b09ce571%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637453535225256568%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=M8yicjFjseRin5IeD314tp0W%2BjXK%2BZHEmLQB1ZDe8k0%3D&reserved=0

manish-msft · Answer

austin_lee&nbsp; : Have you tried looking at List events api, this gives you a list of events + attendees list of that particular event.
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For Call API : You need to create call first using Create Call..This will create a call and provide you "id".You then need to use that "id" and get participants.
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Thanks,
Manish Chitre
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austin_lee · Answer

Manish-MSFT&nbsp;, thanks for your reply.i just tried&nbsp;https://docs.microsoft.com/en-us/graph/api/user-list-events?view=graph-rest-1.0&amp;tabs=http, i could receive live event meeting from api, but there is no&nbsp;attendees in the response. Is there other way to get&nbsp;attendees of live event?&nbsp;For Call API, if the call doesn't be created by API, how do I find the call id?&nbsp;&nbsp;Thanks,Austin&nbsp;

manish-msft · Answer

austin_lee&nbsp;:&nbsp;
&nbsp;
i just tried&nbsp;List events api, i could receive live event meeting from api, but there is no&nbsp;attendees in the response. Is there other way to get&nbsp;attendees of live event?
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=&gt; Can you provide your response here, I would like to investigate this in more detail.
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For Call API, if the call doesn't be created by API, how do I find the call id?
=&gt; No, it's possible to get call id other than graph api.&nbsp;
&nbsp;
&nbsp;
Thanks,
Manish Chitre
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austin_lee · Answer

Manish-MSFT&nbsp;, thanks again.&nbsp;I created a live event "Test LiveEvent" on Teams Calendar manually, and there are attendees in attendee engagement report.&nbsp;{
   "@odata.context":"https://graph.microsoft.com/v1.0/$metadata#users('{userId}')/events",
   "value":[
      {
         "@odata.etag":"W/\"BHNkcTTooEeODXPM6bGYwAAALPcBww==\"",
         "id":"AAMkADAzNjljYWYxLTdhMTQtNGJkNi04NWMyLTI5N2IyMjM2YTY1YwBGAAAAAADXti9J-06aQaaLbOMR4-yEBwAEc2RxNOigR44Nc8zpsZjAAAAAAAENAAAEc2RxNOigR44Nc8zpsZjAAAAs_uPEAAA=",
         "createdDateTime":"2020-12-24T09:49:58.409914Z",
         "lastModifiedDateTime":"2020-12-24T09:49:59.5260063Z",
         "categories":[
         ],
         "transactionId":null,
         "originalStartTimeZone":"Taipei Standard Time",
         "originalEndTimeZone":"Taipei Standard Time",
         "iCalUId":"040000008200E00074C5B7101A82E00800000000285A0024DAD9D601000000000000000010000000FCB0A0842395D649A68CB1C00967954C",
         "reminderMinutesBeforeStart":15,
         "isReminderOn":true,
         "hasAttachments":false,
         "subject":"Test LiveEvent",
         "bodyPreview":"Don't forward this invitation. Go to Microsoft Teams to invite additional people.



________________________________________________________________________________
Microsoft Teams
Join live event
Join as producer or presenter when it's time for t",
         "importance":"normal",
         "sensitivity":"normal",
         "isAllDay":false,
         "isCancelled":false,
         "isOrganizer":true,
         "responseRequested":true,
         "seriesMasterId":null,
         "showAs":"busy",
         "type":"singleInstance",
         "webLink":"https://outlook.office365.com/owa/?itemid=AAMkADAzNjljYWYxLTdhMTQtNGJkNi04NWMyLTI5N2IyMjM2YTY1YwBGAAAAAADXti9J%2F06aQaaLbOMR4%2FyEBwAEc2RxNOigR44Nc8zpsZjAAAAAAAENAAAEc2RxNOigR44Nc8zpsZjAAAAs%2BuPEAAA%3D&amp;exvsurl=1&amp;path=/calendar/item",
         "onlineMeetingUrl":null,
         "isOnlineMeeting":true,
         "onlineMeetingProvider":"teamsForBusiness",
         "allowNewTimeProposals":true,
         "isDraft":false,
         "hideAttendees":false,
         "responseStatus":{
            "response":"organizer",
            "time":"0001-01-01T00:00:00Z"
         },
         "body":{
            "contentType":"html",
            "content":"&lt;html&gt;
&lt;head&gt;
&lt;meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"&gt;
&lt;meta content=\"text/html; charset=us-ascii\"&gt;
&lt;/head&gt;
&lt;body&gt;....&lt;/body&gt;
&lt;/html&gt;
"
         },
         "start":{
            "dateTime":"2020-12-24T10:00:00.0000000",
            "timeZone":"UTC"
         },
         "end":{
            "dateTime":"2020-12-24T10:30:00.0000000",
            "timeZone":"UTC"
         },
         "location":{
            "displayName":"",
            "locationType":"default",
            "uniqueIdType":"unknown",
            "address":{
            },
            "coordinates":{
            }
         },
         "locations":[
         ],
         "recurrence":null,
         "attendees":[
         ],
         "organizer":{
            "emailAddress":{
               "name":"Austin Lee",
               "address":"{userPrincipalName}"
            }
         },
         "onlineMeeting":{
            "joinUrl":"https://teams.microsoft.com/l/meetup-join/19%3ameeting_NTQwZmY5MGMtNzQzNy00OTNjLWFmMGEtZDQ4OTk5OWY1OTZk%40thread.v2/0?context=%7b%22Tid%22%3a%22b2d81422-ae1b-45ca-9dde-e006d77a2b79%22%2c%22Oid%22%3a%22d7a01633-1353-4772-bbc8-bafe4145020f%22%2c%22IsBroadcastMeeting%22%3atrue%7d"
         },
         "calendar@odata.associationLink":"https://graph.microsoft.com/v1.0/users('{userId}')/calendars('{calendarId}')/$ref",
         "calendar@odata.navigationLink":"https://graph.microsoft.com/v1.0/users('{userId}')/calendars('{calendarId}')"
      }
   ]
}&nbsp;

manish-msft · Answer

austin_lee&nbsp;: I am able to get list of attendees here's what I did.&nbsp;
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1.&nbsp;https://graph.microsoft.com/v1.0/me/events&nbsp;: [Post] sent request to this API to create an Event.
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{"subject":"Let's go for lunch","body":{"contentType":"HTML","content":"Does noon work for you?"},"start":{"dateTime":"2017-04-15T12:00:00","timeZone":"Pacific Standard Time"},"end":{"dateTime":"2017-04-15T14:00:00","timeZone":"Pacific Standard Time"},"location":{"displayName":"Harry's Bar"},"attendees":[{"emailAddress":{"address":"first email address","name":"firstName"},"type":"required"},{"emailAddress":{"address":"{secound email address}","name":"{secound name}"},"type":"required"}],"allowNewTimeProposals":true,"transactionId":"7E163156-7762-4BEB-A1C6-729EA81755B8"}
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Once, event is created I then used ListEvents API [Get] request to list my event which also returned attendees to the event.&nbsp;
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Please follow above steps you will get attendees joining that event.&nbsp;
&nbsp;
&nbsp;
Thanks,
Manish Chitre
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How to get attendance of users who join live event online through Microsoft Graph API ?

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