How to authenticate Azure Registered App for DevOps Access From Azure Data Factory

Berean_20 1 Reputation point

My goal is to retrieve work items from DevOps from Azure Data Factory.

I can successfully retrieve the work items from Postman using details from the Azure Registered App. However, when attempting to obtain the access token from Postman it will prompt me to enter my Azure Credentials. Obviously, there is no such prompt when running the pipeline from ADF.

My question: how can I obtain the token from Azure Data Factory knowing there is no prompt for Azure credentials while the pipeline is running?

This is the error I get from running the pipeline in ADF:

{"$id":"1","innerException":null,"message":"TF400813: The user '' is not authorized to access this resource.","typeName":"Microsoft.TeamFoundation.Framework.Server.UnauthorizedRequestException, Microsoft.TeamFoundation.Framework.Server","typeKey":"UnauthorizedRequestException","errorCode":0,"eventId":3000}  

How do I provide the authentication details in Azure Data Factory (ADF) which are prompted by Postman?
What authentication method should I use from Azure Data Factory to replace the prompt for credentials as it happens in Postman?

Azure Data Factory
Azure Data Factory
An Azure service for ingesting, preparing, and transforming data at scale.
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