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Power Platform Community / Forums / Power Automate / Approval Flow Process ...
Power Automate
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Approval Flow Process Error - Attachments

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I am trying to setup an approval flow process using o365 forms. I have created JSON and an Array to allow for me to have a file upload in the form to attached to a Send an email (V2) under the condition.

 

Inside the "Start and wait for an approval" function when I add the "varattachments" from the variables drop down I am getting this error message.

 

The request failed. Error code: 'InvalidRequestContent'. Error Message: 'The request content was invalid and could not be deserialized: 'Could not find member 'ContentBytes' on object of type 'ApprovalsConnectorAttachment'. Path 'attachments[0].ContentBytes', line 1, position 922.'.'.

 

I have attached a copy of flow process currently setup.

 

eee.PNG

 

fef.PNG

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  • Ellis Karim Profile Picture
    12,053 Super User 2026 Season 1 on at

    Please check the append to Array action below:

    Snag_664149b.png

    This is the format for the attachment array:

    Snag_6645a40.png

    ekarim2020_0-1642258999338.png

     


    Ellis
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