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Adding a file by code to an attachments control

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Posted on by fsim

Hi everyone.

I have an approval app that allows user to add one or more files to a SP list. It works very well using a datacard and an attachments control.

I was ask to modify the app in order to start from another list, retreive the document on that other list and add it to the approval List via the app (and the attachments control).

So basically, what I want to do is to add a file to an attachments.

I'm able to launch my app from the second list. And I retreive the file (filename, full name and complete path) . I saved it in a collection. Now, how can I add it to the control ? With a Patch ? what's the default value then ?

Any help would be great ! Thank you

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Building Power Apps

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Vijay Tailor 2,961 on at

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Hi @fsim ,

I think that is not possible yet, Now through Code.

See the below response - (Taken from one of the Post suggested by Microsoft Team members.)

See the limitation of attachment control:
Upload and delete functionality only work inside a form. Attachment control will look disabled when in Edit mode and not inside a form. Note that in order to save the file additions and deletions to the back end, the end user must save the form.
https://docs.microsoft.com/en-us/powerapps/controls/control-attachments

It seems that so far you cannot use Patch to upload the attachments to SharePoint. Please consider to add comments in below thread:
https://powerusers.microsoft.com/t5/PowerApps-Ideas/Save-attachments-to-SharePoint-list-item/idi-p/8...

Source - of Above mentioned Comment - https://powerusers.microsoft.com/t5/Building-Power-Apps/Patch-Attachments/td-p/98121

Thanks
Please click "Accept as Solution" if my post answered your question so that others may find it more quickly. If you found this post helpful consider giving it a "Thumbs Up."-Vijay

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timl 36,383 Super User 2025 Season 2 on at

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Hi @fsim

As you've probably figured out, file support in PowerApps is a bit limited.

To help develop some sort of workaround for you, are you looking to always add the files to a new record in your approval list (as opposed to appending files to an existing record in your approval list)?

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fsim 75 on at

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@timl , yes it's not an append it's just adding one file automatically (file that is retreived by a sharepoint collection at the start of the app)

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fsim 75 on at

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@VijayTailor Thank you for your answer.
My attachment control is inside a form that said. Note that I wanted to patch the table behind the attachment control, not the Sharepoint list directly. In fact it's impossible that way, as the approval record don"t exist yet.

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Vijay Tailor 2,961 on at

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Hi @fsim ,

I don't think so this is also possible.
I agree with @timl, as part of the attachment - some limitations here.

if you need a solution for the future regarding the same, please you can vote for the below Idea.
https://powerusers.microsoft.com/t5/Power-Apps-Ideas/Allow-to-Patch-File-in-SharePoint-using-AbsoluteURI/idi-p/714351
if you think that will useful for others also.
Thanks,
Please click "Accept as Solution" if my post answered your question so that others may find it more quickly. If you found this post helpful consider giving it a "Thumbs Up."-Vijay

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timl 36,383 Super User 2025 Season 2 on at

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@fsim - Would I be correct in thinking that so long as you can copy the contents of a SharePoint attachments field from one record in one list to a new record in another list, that would satisfy your requirement?

You wouldn't be too concerned if you don't use a collection? The reason I ask is because I believe this is possible, but not the exact way that you envisage. So I just want to clarify this before I describe this in more detail.

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fsim 75 on at

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@timl
absolutely ok with that !
thank you

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