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marial16
Post Partisan
Post Partisan

Upload files from Powerapps to Sharepoint

Hello,

 

i have a form in my Power app. I don't want to use the attachments field in the edit mode. Instead i ve inserted an 'add picture control'.

I want the users to be able to upload files (not images) and save them to a SP doc library (ms flow).

In the doc library i  want the actual file name and not the 'appres://blobmanager/18f52060d737479cad911665f4e49362/2' for example.

How is that possible?

 

 

 

 

 

 

 

1 ACCEPTED SOLUTION

Accepted Solutions

Hi @marial16 ,

Have you taken a try with the app's configuration I provided above?

 

Based on the error message screenshot that you mentioned, I think there is something with the File content passed from your canvas app to your flow.

 

I guess you passed the File Content to your flow using the following formula directly, right?

UploadedImage1.Image

the above formula would return blob data as below:

appres://blobmanager/4d007470709b4ec98e84e28de1ba58e4/1

which is not an binary data, it is just a reference to the memory in your device.

 

Within your flow, if you want to create a file in your SP Library, you must provide a binary data for this file. So within your canvas app, you must convert above blob data (e.g. appres://blobmanager/......) into a binary data firstly.

You could use the JSON function to convert your blob data into a base64 encoded data, then pass the converted base64 encoded data back to your flow.

'Your Flow Name'.Run(
          AddMediaButton1.FileName,    // Retrieve Uploaded File Name
          Substitute(JSON(UploadedImage1.Image, JSONFormat.IncludeBinaryData),"""", "")  // Get the binary data of the uploaded file
)

Please consider take a try with the app's configuration I provided above, then try it again, check if the issue is solved.

 

Of course, if you want to save the uploaded files into a collection, then pass the whole collection data back to your flow, you should also store binary data for the uploaded file in your collection rather than Blob data.

Please set the OnChange property of the AddMediaButton1 to following:

Collect(
           FilesCollection,
           {
             FileName: AddMediaButton1.FileName,
             FileContent: Substitute(JSON(UploadedImage1.Image, JSONFormat.IncludeBinaryData),"""", "")
           }
)

after you attach a file through the "Add Picture" control, the file name and corresponding base64 encoded file content would be stored into this collection:

1.JPG

 

Then when you want to pass the whole collection to your flow, you need execute the following formula:

'FlowName'.Run(JSON(FilesCollection, JSONFormat.IncludeBinaryData))

After that, within your flow, you could use the dataUriToBinary() function to convert the passed base64 encoded data into a actual binary data. Based on the converted binary data, you could create file in your SP Library.

 

Best regards,

Community Support Team _ Kris Dai
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

8 REPLIES 8
mdevaney
Super User
Super User

@marial16 
Rather than explain it on the forums its best just to watch the @Shanescows video on this

Link to video:

https://www.youtube.com/watch?v=3QaiM8SeWfM

 

---
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."

I ve already seen that video. I don't know if it will work in my case since i will have to work IN my form and reuse the attachment control in at least 3 fields (instead of a link field)

@marial16 
Sorry, that's all I can suggest.

v-xida-msft
Community Support
Community Support

Hi @marial16 ,

Do you want to upload a file (not image) via the "Add Picture" control, and then save back to your SP Library?

 

Based on the needs that you mentioned, I think the combination of Power Apps and Power Automate could achieve your needs. I have made a test on my side, please take a try with the following workaround:

Flow's configuration:

2.JPG

 

App's configuration as below:

3.JPG

 

4.JPG

Set the OnSelect property of the "Pass" button to following:

'Your Flow Name'.Run(AddMediaButton1.FileName, Substitute(JSON(UploadedImage1.Image, JSONFormat.IncludeBinaryData),"""", ""))

 

When you upload file from your local through the "Add Picture" control, please select file type to "All Files":

5.JPG

 

Please check and see if the following video resource would help in your scenario:

https://www.youtube.com/watch?v=UYK7yruBHDM

https://www.youtube.com/watch?v=kQVYid1p_vA

 

More details about firing a flow from a canvas app, please check the following video resource;
https://www.youtube.com/watch?v=1wl9AtxWdkg

 

Best regards,

Community Support Team _ Kris Dai
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Correct.

I used a very similar approach.

heeeeeeeeeeeeeeelp.png

plzzzzzzzzzzzzzzzzzzzzz.png

Is there a way expanding the flow to retrieve the url of each file and return it back to powerapps?

 

Testing your solution gets me an error.

 

noooooooooooooo.png

 

Testing my solution inside the form's dataCard seems to not upload the file. 

Yeeeeeeeeeeeeeeeeeeeeeeeees.png

 

Hi @marial16 ,

Have you taken a try with the app's configuration I provided above?

 

Based on the error message screenshot that you mentioned, I think there is something with the File content passed from your canvas app to your flow.

 

I guess you passed the File Content to your flow using the following formula directly, right?

UploadedImage1.Image

the above formula would return blob data as below:

appres://blobmanager/4d007470709b4ec98e84e28de1ba58e4/1

which is not an binary data, it is just a reference to the memory in your device.

 

Within your flow, if you want to create a file in your SP Library, you must provide a binary data for this file. So within your canvas app, you must convert above blob data (e.g. appres://blobmanager/......) into a binary data firstly.

You could use the JSON function to convert your blob data into a base64 encoded data, then pass the converted base64 encoded data back to your flow.

'Your Flow Name'.Run(
          AddMediaButton1.FileName,    // Retrieve Uploaded File Name
          Substitute(JSON(UploadedImage1.Image, JSONFormat.IncludeBinaryData),"""", "")  // Get the binary data of the uploaded file
)

Please consider take a try with the app's configuration I provided above, then try it again, check if the issue is solved.

 

Of course, if you want to save the uploaded files into a collection, then pass the whole collection data back to your flow, you should also store binary data for the uploaded file in your collection rather than Blob data.

Please set the OnChange property of the AddMediaButton1 to following:

Collect(
           FilesCollection,
           {
             FileName: AddMediaButton1.FileName,
             FileContent: Substitute(JSON(UploadedImage1.Image, JSONFormat.IncludeBinaryData),"""", "")
           }
)

after you attach a file through the "Add Picture" control, the file name and corresponding base64 encoded file content would be stored into this collection:

1.JPG

 

Then when you want to pass the whole collection to your flow, you need execute the following formula:

'FlowName'.Run(JSON(FilesCollection, JSONFormat.IncludeBinaryData))

After that, within your flow, you could use the dataUriToBinary() function to convert the passed base64 encoded data into a actual binary data. Based on the converted binary data, you could create file in your SP Library.

 

Best regards,

Community Support Team _ Kris Dai
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Mira_Ghaly
Multi Super User
Multi Super User

@v-xida-msft 

Does this work for Attachments control?

ForAll(
DataCardValue3.Attachments,
Collect(
FilesData,
{
Name: ThisRecord.Name,
Value: Substitute(JSON(ThisRecord.Value,JSONFormat.IncludeBinaryData),"""", "")

}
)
);

If this post helps you with your problem, please mark your as Accepted solution.If you like my response, please give it a Thumbs Up.

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