Update azure B2C custom attributes with Graph API C#.

Kripesh C K 1

Hi,

Please help me on how can I update azure B2C custom attributes with Graph API C#.

Regards
Kripesh

Saurabh Sharma 23,806 Reputation points Microsoft Employee

2020-08-20T00:28:01.327+00:00

@Kripesh C K You can refer to GitHub Sample to add custom attributes to a user using Microsoft Graph SDK.
Kripesh C K 1 Reputation point

2020-08-20T12:58:38.35+00:00

Thank you for your response

It would be better if I could get a sample code to update custom attribute using C# Graph API.
Saurabh Sharma 23,806 Reputation points Microsoft Employee

2020-08-20T17:24:36.717+00:00

@Kripesh C K I will check internally with the product team and get back to you if any sample is available for the same.

2 answers

Saurabh Sharma 23,806 Reputation points Microsoft Employee

2020-08-27T19:45:02.3+00:00

@Kripesh C K
Within the GitHub Repo linked, there is C# code used to get user and pull custom attributes. To view, you must know AppId of the app where extensions are created [More info on this concept here] and then also know the attribute name. https://github.com/Azure-Samples/ms-identity-dotnetcore-b2c-account-management/blob/master/src/Services/UserService.cs#L36-L68

More code used to help with compiling custom attributes for the call to graph
https://github.com/Azure-Samples/ms-identity-dotnetcore-b2c-account-management/blob/master/src/Helpers/B2cCustomAttributeHelper.cs#L7-L20

Here is the code in that sample used to create a new user with custom attributes, the same concept can be applied when updating a user's custom attributes, they would need to send an update request to the user object. Here is code that was used for password updating, where the code can be modified to capture extension attribute updates
https://github.com/Azure-Samples/ms-identity-dotnetcore-b2c-account-management/blob/master/src/Services/UserService.cs#L171-L189
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Saurabh Sharma 23,806 Reputation points Microsoft Employee

2020-09-08T18:38:29.557+00:00

@Kripesh C K Please let me know if you have any other questions.

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Heather Turner 1 Reputation point

2020-11-06T18:45:47.983+00:00

@Saurabh Sharma hello, is it possible to pull all the custom attributes for the user using microsoft graph api without getting them one by one via their name? The Extensions property doesnt seem to pull these values
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George Lazar 1 Reputation point

2020-11-25T17:25:41.553+00:00

This is not wokring anymore? Is there something broken?
I can get custom attributes in normal claims after login but no using extension_{appidnospaces}_{nameoftheextension}

George Lazar 1 Reputation point

2020-11-25T19:02:57.677+00:00

So first step is to find in your custom policy:
<TechnicalProfile Id="AAD-Common">...<Item Key="ClientId">57ff56e7-40a0-43fd-a9a3-8d6c1544bcf4a</Item>
Custom attributes are named extension_attributename.
To get it trough graphql you will require it like this extension_{client id of the app NO DASHES responasble for storing extensions }_{attributename}
e.g. extension_57ff56e740a043fda9a38d6c1544bcf4a_mycoolattribute as you can see this is done also in the code:
https://github.com/Azure-Samples/ms-identity-dotnetcore-b2c-account-management/blob/master/src/Helpers/B2cCustomAttributeHelper.cs#L7-L20
example for graph call: https://graph.microsoft.com/v1.0/users/3545c38b-3f6b-4a4b-8820-e7f954a86e1e?$select=extension_57ff56e740a043fda9a38d6c1544bcf4a_mycoolattribute
https://graph.microsoft.com/v1.0/users/{user-objectid}?$select=extension_57ff56e740a043fda9a38d6c1544bcf4a_mycoolattribute,extension_57ff56e740a043fda9a38d6c1544bcf4a_myotherattribute,etc
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Update azure B2C custom attributes with Graph API C#.

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