Getting non-common attributes from AD B2C users with PowerShell

Question

I would like to retrieve the following attributes: "createdDateTime, extension_xxxxxx_yyyyy, identities". With Graph Explorer, I could do this with:

https://graph.microsoft.com/v1.0/users?$select=createdDateTime extension_xxxxxx_yyyyy, identities

Then, I tried the snippet generated by Graph Explorer for PowerShell

Get-MgUser -Property “createdDateTime,+extension_xxxxxx_yyyyy,identities”   

I got the following error:

Parsing OData Select and Expand failed: Syntax error: character '+' is not valid at position 17 in 'createdDateTime, +exten ……

I removed the “+” and retried, it had no error, but all the returned fields were blank.
I am using Microsoft Graph PowerShell SDK 1.18

Answer 1

Hi @David Wong

The extension_xxxxxx_yyyyy is not a built-in parameter for the user, it is automatically categorized into AdditionalProperties when you call it using Graph Power Shell.

Import-Module Microsoft.Graph.Users  
  
Select-MgProfile -Name "beta"  
  
Connect-MgGraph -Scopes "User.Read.All"  
  
Get-MgUser -All | Format-List id,createdDateTime,identities,AdditionalProperties  

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