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Calling a custom attribute from Azure - one that is not listed in Dynamic Content

We are using Azure AD Connect to push AD user attributes from on-prem AD to O365. I'd like to be able to populate AD/Azure with our internal employee ID number from our HR department, such that it can be called by Flow and included in approval notifications. Unfortunately, I see that the employeeNumber AD attribute is not synced by Azure AD Connect, but the generic extensionAttribute1 i..., so I can populate extensionAttribute1 with the HR internal employee ID number and it should sync to Azure. Once I have that attribute populated for our users in Azure, I can use the Get user profile action in Flow to pull in the user attributes, however extensionAttribute1 is not listed in the Dynamic content list. I assume I can use an expression to call extensionAttribute1 from Azure? If so, what would that look like? Thanks!

Community Support
Community Support

Hi blakezachary,


Thanks for feedback.


Currently it is not possible to get extensionAttribute1 from the dynamic content list in Flow. Please consider to create a new request at Flow Ideas Forum:


I will help collect and report it on my side.

Best regards,
Mabel Mao

Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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