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Anonymous
Not applicable

Trigger manual flow from Power Apps gallery item

Hello everyone, 

 

I created an automated flow that triggers when a new item is created in a SharePoint list called "Demandes" and that creates a PDF file in a SharePoint library.

Max31_0-1690881194009.png

 

Everything works fine but I now want the flow to be triggered manually in Power Apps and the PDF file to be downloaded directly on the user's computer.

 

I have a Power Apps gallery that displays the different lines of that SharePoint list ("Demandes") and would like to add a button next to each item that would create the pdf file corresponding to that specific line and download it.

Max31_2-1690881555043.png

 

Thanks a lot,

Max

1 ACCEPTED SOLUTION

Accepted Solutions
RMCoder
Resolver II
Resolver II

Use the “PowerApps (V2)” trigger to start your flow, then perform your PDF creation like normal.

Use the action at the end of your flow to “Respond to a PowerApp or Flow” so you can pass back to your app the path/URL of the file you just generated (e.g. in SharePoint).


In your canvas app, you add the flow and trigger it with a button’s OnSelect property.

To run the flow and download the file in one shot, use the expression:

Launch(YourFlowName.Run().OutputName)

The flow will return the path to the file, and the Launch function will open it in a new tab/window. 

 

If the file isn’t downloading automatically and is stored in SharePoint, you can append “?download=1” or "?web=0" to the path and it will force the download.

EDIT: This seems to be inconsistent between file types and possibly browsers -- it worked in Chrome with a .docx but not a .pdf. Edge didn't work for either.

 

It’s worth noting that the app will only wait 2 minutes for a response from the flow before it times out.

View solution in original post

8 REPLIES 8
RMCoder
Resolver II
Resolver II

Use the “PowerApps (V2)” trigger to start your flow, then perform your PDF creation like normal.

Use the action at the end of your flow to “Respond to a PowerApp or Flow” so you can pass back to your app the path/URL of the file you just generated (e.g. in SharePoint).


In your canvas app, you add the flow and trigger it with a button’s OnSelect property.

To run the flow and download the file in one shot, use the expression:

Launch(YourFlowName.Run().OutputName)

The flow will return the path to the file, and the Launch function will open it in a new tab/window. 

 

If the file isn’t downloading automatically and is stored in SharePoint, you can append “?download=1” or "?web=0" to the path and it will force the download.

EDIT: This seems to be inconsistent between file types and possibly browsers -- it worked in Chrome with a .docx but not a .pdf. Edge didn't work for either.

 

It’s worth noting that the app will only wait 2 minutes for a response from the flow before it times out.

Anonymous
Not applicable

@RMCoder Thanks for your answer.

 

I don't really understand what I'm supposed to do for the first few steps of the flow and what I need to write in the button next to each item in the Power Apps gallery.

 

Could you provide screenshots of the first steps of the flow please ?

Thank you,

Max

Anonymous
Not applicable

@RMCoder Sorry, forget my previous answer.

 

I managed to create the flow. The only thing not working is the download part.

Max31_0-1690983414443.png

 

This is what the end of my flow looks like.

 

When I launch the flow, it opens a blank window with the url being "true/"

Max31_1-1690983532392.png

 

Any idea why ?

 

@Anonymous - Sorry for not getting you screenshots initially, great job getting to the point you did!

 

In the action "Respond to a PowerApp or flow" action, click the text to " +Add an output " and select the Text datatype option.

 

Give your output a name (to be used later) and fill it with dynamic content. In my example I previously captured the '{Link}' property of a SharePoint file in Compose just for demonstration purposes:

RMCoder_0-1690989698062.png

 

In the app, my button has the following for its OnSelect property:

Launch(GetFile.Run().url)

RMCoder_1-1690989879618.png

 

Here, "GetFile" is the name of my flow, and "url" is the output from my flow -- whatever you named your output in the last action of the flow needs to be included after the Run() statement.

 

Also, before I suggested you could include "?download=1" or "?web=0" to force the browser to download -- this seems to be inconsistent for some filetypes and browsers so you may need to get by with just opening it in another tab for users to download.

 

RMCoder
Resolver II
Resolver II

One more thought, since I just noticed you are storing and linking to the file in OneDrive. 

 

You would need to grant access to that file in your OneDrive for another user to see and download it. You could use the "Create share link" action to do that, in which case your output of the flow would simply be the 'WebUrl' dynamic content.

RMCoder_0-1690992158801.png

 

Anonymous
Not applicable

@RMCoder Thank you for your help.

 

I'm still having issues with the last steps. I tried what you said with the "Create share link" and "Respond to PowerApps or flow" actions.

Max31_0-1691049809259.png

 

Furthermore, in the OnSelect property of my button I can't write ".url" at the end (it gets underlined in red)

Max31_1-1691049957232.png

 

Not sure what's happening. 

Thanks a lot,

Max

Anonymous
Not applicable

@RMCoder Nevermind, I just had to refresh the flow within PowerApps.

Thank you for your help !!

@Anonymous Glad to hear it!

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