Graph API - Filter on extension attributes

Question

Hello,

We have created an application which contains extension attributes added to it from Graph API.

Hence it follows the naming convention as extension_<client_id>_<fieldName>

I want to filter add filter when fetching the user.

I have tried with the following ways in the postman collection

• extension_<client_id>_<fieldName> eq 'value'
• startswith(extension_<client_id>_market, 'es')

I am getting the following error:

{type: "Error", name: "TypeError", message: "Cannot read properties of undefined (reading 'id')"}

Please let me know what I can do to resolve this?

Answer 1

Hello Akshay Shambhu Bajpayee,

Thanks for reaching out. You can filter for the extension attributes using the example below:

https://graph.microsoft.com/v1.0/users?$filter=extension_07bdff858d154d1786c9f77dd25f5ea7_market/any(s:s eq 'es').

You can find more information on Graph filtering here https://learn.microsoft.com/en-us/graph/filter-query-parameter?tabs=http.

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Thanks.