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C

MS Teamwork: Create an Online Meeting

See more Microsoft Teams Examples

Demonstrates how to create a Microsoft Teamwork Online Meeting

Note:If using Application access (i.e. client credentials) which is what this example is doing, then you'll need to "Configure application access to online meetings or virtual events" See https://learn.microsoft.com/en-us/graph/cloud-communication-online-meeting-application-access-policy#configure-application-access-policy

For example, here's our Powershell session to setup the policy.

Windows PowerShell
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Try the new cross-platform PowerShell
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PS C:\WINDOWS\system32> Install-Module -Name PowerShellGet -Force -AllowClobber
PS C:\WINDOWS\system32> Install-Module -Name MicrosoftTeams -Force -AllowClobber
PS C:\WINDOWS\system32> Connect-MicrosoftTeams

Account              Environment Tenant                               TenantId
-------              ----------- ------                               --------
admin@chilkat365.com AzureCloud  112d7ed6-71bf-4eba-a866-738364321bfc 112d7ed6-71bf-4eba-a866-738364321bfc

PS C:\WINDOWS\system32> New-CsApplicationAccessPolicy -Identity Test-Teams-policy -AppIds "e1cd2318-298b-4916-bfd6-78cae9938835" -Description "Want App to be able to work with Teams for a User"

Identity    : Tag:Test-Teams-policy
AppIds      : {e1cd2318-298b-4916-bfd6-78cae9938835}
Description : Want App to be able to work with Teams for a User

PS C:\WINDOWS\system32> Grant-CsApplicationAccessPolicy -PolicyName Test-Teams-policy -Identity "4ee732c3-322e-4a6b-b729-2fd1eb5c6004"
PS C:\WINDOWS\system32>

Chilkat C Downloads

C
#include <C_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    HCkJsonObject jsonOAuthCC;
    HCkJsonObject json;
    HCkHttpResponse resp;
    HCkJsonObject jsonResp;
    int statusCode;

    success = FALSE;

    //  This requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    http = CkHttp_Create();

    //  Provide the information needed for Chilkat to automatically fetch the OAuth2.0 
    //  access token as needed.
    //  This is the new "Integrated OAuth2 Client Credentials" feature introduced in Chilkat v9.5.0.96.  
    jsonOAuthCC = CkJsonObject_Create();

    //  --------------------------------------------------------------------------------------------------------
    //  You'll need to have registered an app in Azure beforehand.
    //  
    //  Note: Creating an online meeting requires the following Application permission:  OnlineMeetings.ReadWrite.All
    //  
    //  See How to Create an Azure App Registration for OAuth 2.0 Client Credentials
    //  --------------------------------------------------------------------------------------------------------

    //  Use the values from your App Registration in Azure.
    CkJsonObject_UpdateString(jsonOAuthCC,"client_id","e1cd2318-xxxx-4916-bfd6-xxxxxxxxxxxx");
    CkJsonObject_UpdateString(jsonOAuthCC,"client_secret","K.d8Q~RoJxxxxvCj_u_xxxxxxxxxxxxxxxxxxxxx");

    //  You'll always use this scope for client credentials, because the allowed actions
    //  are determined by the App Permissions defined when you registered the app in Azure.
    CkJsonObject_UpdateString(jsonOAuthCC,"scope","https://graph.microsoft.com/.default");

    //  The token endpoint includes your tenant ID.  Use your tenant ID (not the tenant ID shown here).
    CkJsonObject_UpdateString(jsonOAuthCC,"token_endpoint","https://login.microsoftonline.com/112d7ed6-71bf-4eba-a866-738364321bfc/oauth2/v2.0/token");

    //  Provide the OAuth2 information. Chilkat will use this information to automatically fetch the OAuth2 access token as needed,
    CkHttp_putAuthToken(http,CkJsonObject_emit(jsonOAuthCC));

    //  -------------------------------------------------------------------------------------------
    //  The following JSON is sent in the request body.

    //  {
    //    "startDateTime": "2023-12-12T14:30:34-07:00",
    //    "endDateTime": "2023-12-12T15:00:34-07:00",
    //    "subject": "User Token Meeting"
    //  }

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"startDateTime","2023-12-12T14:30:34-07:00");
    CkJsonObject_UpdateString(json,"endDateTime","2023-12-12T15:00:34-07:00");
    CkJsonObject_UpdateString(json,"subject","User Token Meeting");

    CkHttp_SetRequestHeader(http,"Content-Type","application/json");

    //  The user ID is 4ee732c3-322e-4a6b-b729-2fd1eb5c6004
    //  You will need to change the ID to your user's ID.
    resp = CkHttpResponse_Create();
    success = CkHttp_HttpJson(http,"POST","https://graph.microsoft.com/v1.0/users/4ee732c3-322e-4a6b-b729-2fd1eb5c6004/onlineMeetings",json,"application/json",resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonOAuthCC);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        return;
    }

    //  ----------------------------------------------------------------------------------------
    //  IMPORTANT: 

    //  If using Application access, you will get the following error unless you configure your application
    //  to manage online meetings on behalf of the user.  (Note that the user ID is in the URL shown above.)
    //  See  https://learn.microsoft.com/en-us/graph/cloud-communication-online-meeting-application-access-policy#allow-applications-to-access-online-meetings-on-behalf-of-a-user 
    //  
    //  {
    //    "error": {
    //      "code": "General",
    //      "message": "No application access policy found for this app.",
    //      "innerError": {
    //        "request-id": "1c9bd09a-a089-4afd-add4-eec2334135c8",
    //        "date": "2023-11-17T16:26:53",
    //        "client-request-id": "1c9bd09a-a089-4afd-add4-eec2334135c8"
    //      }
    //    }
    //  }
    //  ----------------------------------------------------------------------------------------

    jsonResp = CkJsonObject_Create();
    CkJsonObject_Load(jsonResp,CkHttpResponse_bodyStr(resp));
    CkJsonObject_putEmitCompact(jsonResp,FALSE);
    printf("%s\n",CkJsonObject_emit(jsonResp));

    statusCode = CkHttpResponse_getStatusCode(resp);
    printf("response status code = %d\n",statusCode);

    if (statusCode != 201) {
        printf("Failed.\n");
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonOAuthCC);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        CkJsonObject_Dispose(jsonResp);
        return;
    }

    //  Here is a sample response:

    //  Use the following online tool to generate parsing code from sample JSON: 
    //  Generate Parsing Code from JSON

    //  {
    //    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('4ee732c3-322e-4a6b-b729-2fd1eb5c6004')/onlineMeetings/$entity",
    //    "id": "MSo0ZWU3MzJjMy0zMjJlLTRhNmItYjcyOS0yZmQxZWI1YzYwMDQqMCoqMTk6bWVldGluZ19ZemswWXpOaU9XTXRaV0l5TUMwME5EY3dMVGt4Tm1VdFlUSXpOMlF3WTJKbE9HWm1AdGhyZWFkLnYy",
    //    "creationDateTime": "2023-11-17T17:00:45.1935677Z",
    //    "startDateTime": "2023-12-12T21:30:34Z",
    //    "endDateTime": "2023-12-12T22:00:34Z",
    //    "joinUrl": "https://teams.microsoft.com/l/meetup-join/19%3ameeting_Yzk0YzNiOWMtZWIyMC00NDcwLTkxNmUtYTIzN2QwY2JlOGZm%40thread.v2/0?context=%7b%22Tid%22%3a%22112d7ed6-71bf-4eba-a866-738364321bfc%22%2c%22Oid%22%3a%224ee732c3-322e-4a6b-b729-2fd1eb5c6004%22%7d",
    //    "meetingCode": "238818764794",
    //    "isBroadcast": false,
    //    "autoAdmittedUsers": "everyoneInCompany",
    //    "outerMeetingAutoAdmittedUsers": null,
    //    "capabilities": [
    //    ],
    //    "externalId": null,
    //    "iCalUid": null,
    //    "meetingType": null,
    //    "meetingMigrationMode": null,
    //    "joinWebUrl": "https://teams.microsoft.com/l/meetup-join/19%3ameeting_Yzk0YzNiOWMtZWIyMC00NDcwLTkxNmUtYTIzN2QwY2JlOGZm%40thread.v2/0?context=%7b%22Tid%22%3a%22112d7ed6-71bf-4eba-a866-738364321bfc%22%2c%22Oid%22%3a%224ee732c3-322e-4a6b-b729-2fd1eb5c6004%22%7d",
    //    "subject": "User Token Meeting",
    //    "videoTeleconferenceId": null,
    //    "isEntryExitAnnounced": true,
    //    "allowedPresenters": "everyone",
    //    "allowAttendeeToEnableMic": true,
    //    "allowAttendeeToEnableCamera": true,
    //    "allowMeetingChat": "enabled",
    //    "shareMeetingChatHistoryDefault": "none",
    //    "allowTeamworkReactions": true,
    //    "anonymizeIdentityForRoles": [
    //    ],
    //    "recordAutomatically": false,
    //    "allowParticipantsToChangeName": false,
    //    "allowTranscription": true,
    //    "allowRecording": true,
    //    "broadcastSettings": null,
    //    "meetingInfo": null,
    //    "audioConferencing": null,
    //    "watermarkProtection": null,
    //    "chatRestrictions": null,
    //    "participants": {
    //      "organizer": {
    //        "upn": "admin@chilkat365.com",
    //        "role": "presenter",
    //        "identity": {
    //          "application": null,
    //          "device": null,
    //          "user": {
    //            "id": "4ee732c3-322e-4a6b-b729-2fd1eb5c6004",
    //            "displayName": null,
    //            "tenantId": "112d7ed6-71bf-4eba-a866-738364321bfc",
    //            "identityProvider": "AAD"
    //          }
    //        }
    //      },
    //      "attendees": [
    //      ]
    //    },
    //    "chatInfo": {
    //      "threadId": "19:meeting_Yzk0YzNiOWMtZWIyMC00NDcwLTkxNmUtYTIzN2QwY2JlOGZm@thread.v2",
    //      "messageId": "0",
    //      "replyChainMessageId": null
    //    },
    //    "joinInformation": {
    //      "content": "data:text/html,%3cdiv+style%3d%22width%3a .... %2fdiv%3e",
    //      "contentType": "html"
    //    },
    //    "joinMeetingIdSettings": {
    //      "isPasscodeRequired": false,
    //      "joinMeetingId": "238818764794",
    //      "passcode": null
    //    },
    //    "lobbyBypassSettings": {
    //      "scope": "organization",
    //      "isDialInBypassEnabled": false
    //    }
    //  }

    //  Use the following online tool to generate parsing code from sample JSON: 
    //  Generate Parsing Code from JSON

    printf("Success.\n");


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonOAuthCC);
    CkJsonObject_Dispose(json);
    CkHttpResponse_Dispose(resp);
    CkJsonObject_Dispose(jsonResp);

    }