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Post Prodigy
Post Prodigy

Display specific list item PDF attachment in PDF viewer



I have a SharePoint list and have included the PDF viewer control in my Power App.


I have a flow where emails are added to SharePoint lists however due to SharePoint not accepting embedded images in the emails I am using a connector to export the email to PDF to include images which is working correctlly and adding a PDF to the list item containing the email body - this is the PDF I want to specifically display on form load.


To make things easier I have prefixed these items with some text and the list ID number before the file name:




Therefore, can I display this specific PDF when a PDF exists with for example: CXP-45- at the beginning of the file name?


I was following this guidance on how to get PDF's to display:

Dual Super User
Dual Super User

There are two challenges for you.


1) PDFs stored in SharePoint can't be viewed directly because the PDF viewer won't work with sources that require authentication.  The article you cited explains how to get around that with Power Automate.

2) You only want to display the PDF if it starts with a particular prefix.  So you'll have to use an IF statement to decide when to call the flow to preview the document.


Both of those should be possible.

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Any pointers on how to design that would be helpful 🙂

1) the article already provides a pretty straightforward description.

2) I would create a button to do the preview and set its onselect to run the flow using the filename filtered out of the attachments.  Save that filename in a variable. Then set the display mode of the button based on whether a filename was found or not.

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