Creating and Downloading PDF of Container

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Posted on by EpicTriffid

364

Hi there,

I'm trying to create a set up where you can press a button and it will take a screenshot of the page and then download it. I've followed a number of tutorials, and hit a bit of a dead end. I have followed the path of a button to save the content to a variable, then an attachment form element to allow users to click and download the generate content.

This is what the button code is:

Set(
    pdfContent, 
    JSON(
    PDF(
        Container5_1,
        {
            ExpandContainers: true,
            Orientation: PaperOrientation.Landscape,
            Size: PaperSize.A4,
            DPI: 150
        }
    ), JSONFormat.IncludeBinaryData)
);

In the items paramater of the attachment control I have this code:

{Name:"Marking Matrix" & ".pdf", Value: pdfContent}

The download prompt appears, but when it goes to download, i get nothing but my browser saying: "File wasn't available on site". This is the bit that stumps me completely. What's more, is I can do the version of this where it emails the PDF, and that works great, but email is sadly not an option here.

Any help??

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Building Power Apps

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stampcoin 5,153 Super User 2026 Season 1 on at

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@EpicTriffid Hi,

I think download function only support a web resource. Not a dummy address.

You can add outlook connector to send the attachment.

Or you manipulate a table in dataverse, just use one column , define it as file type, then you will make it.

you can delete it after a while.

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w.p 8,345 Super User 2026 Season 1 on at

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@EpicTriffid

{ Name: "Marking Matrix.pdf", Value: Mid(pdfContent, 2, Len(pdfContent)-2) }

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EpicTriffid 364 on at

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Hi @w.p

That doesn't seem to make a difference I'm afraid!

@stampcoin

I'm not directly using the download function, but rather downloading via the attachments control?

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w.p 8,345 Super User 2026 Season 1 on at

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@EpicTriffid

Mid(pdfContent, 2, Len(pdfContent)-2)

What does your output look like?

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stampcoin 5,153 Super User 2026 Season 1 on at

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@EpicTriffid Hi,

If you utilize the file type in dataverse table , yes, you can download it from attachment ( there are kind of the same control).

unless you want to avoid using dataverse.

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EpicTriffid 364 on at

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@stampcoin

Is it possible to use dataverse tables without actually storing anything on them? Never actually used dataverse!

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EpicTriffid 364 on at

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@w.p

No output at all! It just says File not found again when i try to download it!

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w.p 8,345 Super User 2026 Season 1 on at

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@EpicTriffid

Can you share some screenshots?
Have you enabled the PDF function?

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EpicTriffid 364 on at

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Hi @w.p

Of course!

Yup, PDF has been enabled in the settings.

This is the code to generate the PDF of the container:

That then makes the Attachments control populate:

That has this code:

Clicking on it loads up the downloads prompt:

Pressing Save then causes this to appear in the Download queue (I've tried it a few times):

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stampcoin 5,153 Super User 2026 Season 1 on at

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@EpicTriffid HI,

I think if you use dataverse table or sharepoint, you generate the file, save there, delete it.

it's like cache, you cannot avoid it.

otherwise it may take time .

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