How to populate "File" input in a Copilot Studio action

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Posted on 2 Apr 2025 20:47:15 by alvarezskinner

Hi,

Im using a native action which is the HTTP Request in the Outlook in Office 365 connector in Copilot Studio to be able to tag an email in an inbox.

When populating inputs, im providing a JSON string to the Body parameter.

Although when looking at its execution i can see the following, all inputs completed as expected but the body, which seems to be typed as "FIle".

Does anyone know how to populate this with a JSON same way you can do in Power Automate writing a plain string? I have tried PowerFX creating an object directly, using the JSON function as well, makes no differente it always appears empty. Any ideas?

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