How to create a calendar event using Graph API via http request?

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Posted on by Dave Wi

Hello,

Can you share the step to a calendar event using Graph API via http request that successfully creates a calendar event?

Thanks,

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Rodrigo Hentz Microsoft Employee on at

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Hi @dave8 how are you?

Thanks for using our community.

@dave8, did you take a look on the documentation at Create Event - Microsoft Graph v1.0 | Microsoft Docs ?

There are some samples that you can check and try.

Please let me know if this information helped on your question.

Regards.
Rodrigo Hentz
Microsoft Support Engineer

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Dave Wi on at

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I have already tried that via graph explorer while via same user in the flow it does not work as expected with the following parameters:

however I am using oAuth athentication in the flow that throws following error:
Http request failed as there is an error getting AD OAuth token: 'AA<XXXXXX>>: The resource principal named https://graph.microsoft.com/Calendars.ReadWrite was not found in the tenant named <XXXXXX>>. This can happen if the application has not been installed by the administrator of the tenant or consented to by any user in the tenant. You might have sent your authentication request to the wrong tenant.
Trace ID: <XXXXXX>>
Correlation ID: <XXXXXX>>
Timestamp: 2021-03-26 08:21:01Z'

I have specified the URI as follows with correct request body:

And, the OAuth parameters as follows with the correct information:

Any clue on the error? It seems to me that I should add application as service principal to grant permission in some sort of group or something? I am unsure though. I do not know where and how to resolve it!

Thanks,

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Rodrigo Hentz Microsoft Employee on at

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Hi @dave8 how are you?

@dave8 this is regarding a permission issue. I think you have created an app registration on Azure and also a secret for this app. So, when executing you need to use this configuration, as you added but now not use the /me/events

You have to add the specific user ID. This information is on Azure AD at the user.

So add on the action like my sample below:

For reference Create Event - Microsoft Graph v1.0 | Microsoft Docs

Please let me know if this information helped on your question.

Regards.
Rodrigo Hentz
Microsoft Support Engineer

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