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Power Platform Community / Forums / Power Automate / AI Builder Dynamic Fie...
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AI Builder Dynamic Field Structure - How to Handle Variable Field IDs?

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Hello,
 
I'm using AI Builder to process documents and extract information, but I'm facing a problem with the dynamic structure of the returned labels. Each field returned by AI Builder comes with a unique and variable ID instead of consistent names.
 
For example: 
Issue Date might come as "Data_0021806f5ae4aeb0df3fd9b81e2271369e"
Issuing Authority might come as "_00D3rg_f7e037c286f9780215f30e76cb071824"
 
My Challenges:
How to consistently identify each field when the IDs keep changing?
What's the best way to map displayName to the dynamic IDs?
Is there a way to create dynamic references in Power Automate?
Should I use a different approach to parse this response?
 
What I've Tried:
Fixed references by IDs (not scalable)
Parse JSON with fixed schema (breaks when IDs change)
Individual field extraction (hard to maintain)
 
Some questions that I have:
1 - How do you structure your flow when working with dynamic AI Builder responses?
2 - Is there a way to create a "dynamic field mapper" in Power Automate?
3 - Should I use displayName as the main key and ignore the IDs? If yes, how?
4 - What's the most efficient way to convert the labels object into a searchable array?
5 - Can someone share a working example of dynamic field extraction using displayName?
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  • Michael E. Gernaey Profile Picture
    52,965 Super User 2025 Season 2 on at
    AI Builder Dynamic Field Structure - How to Handle Variable Field IDs?
     
    Have you looked into generating your own model and training it with the variations you have? Are you constantly getting new variations? Its still possible as its about training the pattern, not even always training the exactly format.
     
     

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