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Power automate: Parse only specific section from huge JSON file

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Posted on by mhoelling 57

For a flow, I would like to analyze only a specific portion of a JSON file (it is actually an OpenAI definition) that has a total of over 70'000 lines.

I need to access:

root.paths."\Contacts".get.200.schema.items (and whatever is further down in the tree)

Obviously, I do not want to copy/paste the 70'000 lines into the "Generate from Sample" block (do not think that would work).

Is there any way to specify the scheme in a way that all other properties further up in the tree are ignored?

 

Maybe there is a completely different approach?  At the end of the day I want to get a list of all properties "below" the specified path above.

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Building Power Apps
  • Verified answer
    lbendlin Profile Picture
    lbendlin 8,726 Super User 2026 Season 1 on at

    You posted that in the PowerApps forum?

     

    Anyway, you don't necessarily need to specify the schema if you are willing to address your desired branch manually (and if you can guarantee the structure of that branch)  Use the [Field1][Field2][Field3]  notation as needed.

  • mhoelling Profile Picture
    mhoelling 57 on at

    Sorry for the wrong forum.  To apologize: I was looking for a specific power automate forum and somehow did not find it as there is no direct link from these pages to the other community (or I do not see it).

    In addition to @lbendlin 's response:  One needs to use the "Expression" editor to specify the path.  It is not working adding text to the dynamic content.

    As the scheme is mandatory, a simple '{}' or '{"type":"object"}' Schema should be sufficient.

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