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Ivan29
Regular Visitor

Use PoweApp V2 to add mutiple attachments from Power App into a SharePoint list item

Hi everyone,

 

This is my first time building a Power App. Appreciate if anyone could help me, Thanks!

 

I wanted to let user able to upload multiple attachments, and these attachments will then be added to a SharePoint list item. I have used Power App V2 in Power Automate to do so, however, I've only managed to do so with one attachment. Below is my code and the flow:

 

Set(VarJSON,JSON(Image1.Image,JSONFormat.IncludeBinaryData));
Set(VarBase64,Mid(VarJSON,Find(",", VarJSON)+1,Len(VarJSON)-Find(",", VarJSON)-1));
ClearCollect(
    ArrayDoc,
    {
        ID:currentItem.ID,
        AttachmentName:Last(attachment.Attachments).Name,
        AttachmentBase64: VarBase64  
    }
);

 

Rev_Trac_SubmitDocs.Run(JSON(ArrayDoc),User().Email);

a1.png

a2.png

a3.png

 

What mistake I could have probably done wrong? The user able to upload multiple attachments in Power App, but SharePoint item can only capture one attachment. Please help me, thanks!

12 REPLIES 12
FLMike
Multi Super User
Multi Super User

@Ivan29 

 

Please provide the entire flow or at least we can see your Apply to Each. Also, please provide the entire schema and a sample for your JSON parse

 

lastly, since you are allowed to add multiple attachments, you have not explained why it doesn't work. Do you get an error? Have you looked at a Run to validate that it tried to attach more than one?

 

Please add more clarity and images as part of your answer.


If I have helped you, I would really appreciate if you please Mark my answer as Resolved/Answered, and give it a thumbs up, so it can help others

Cheers

Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey

ANB
Super User
Super User

Hi @Ivan29 , I believe that you are using Shane Young's video here? Basically I can see the code is just capturing the information of only one last attachment in the collection. Just for the confirmation, your Image control property is also Last(attachmentcontrol.Attachments).Value ?

 

So basically you need to have collection of all attachments and then use it accordingly in Power Automate. Please check Reza's video https://www.youtube.com/watch?v=r3UC3TMXhlI where he explain how to add multiple attachments.

 

-----------------------------------------------------------------------------------------------------------------------------

I hope this helps.

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs up.👍

Thanks,
ANB


ANB
Super User
Super User

Hi @Ivan29 , Reza's video will help you to add multiple attachments as new items in SP list, however if you are looking to attach multiple attachments to single item in SP list, then below code will help you.

This code will collect all attachment details:

 

ClearCollect(
    col_allattachment,
    attachmentcontrolname.Attachments
);

 

 The below code will help you create new collection with ID as new column:

 

ForAll(col_allattachment As var, 
       ClearCollect(ArrayDoc,     
       {
        ID:currentItem.ID,
        AttachmentName:var.Name,
        AttachmentContent: var.Value 
       }
     )
)

 

Then below code will help you convert your ArrayDoc collection into JSON:

 

Set(
    gblvar_JSON,
    JSON(
        ArrayDoc,
        JSONFormat.IgnoreUnsupportedTypes
    )
);

 

Now, in the Power Automate you will pass gblvar_JSON as input parameter.

The Parse JSON action will remains same in your Power Automate, just make sure that in above code, I have changed column to AttachmentContent.

Then in action where you are using Add Attachment, you do not have to use any conversion of base64ToBinary. You just need to use current item.

 

items('Apply_to_each')['AttachmentName']

items('Apply_to_each')['AttachmentContent']

 

ANB_0-1698134310984.png

You do not have to initialize any array variable. Just get the body of your output of Parse JSON action.

-----------------------------------------------------------------------------------------------------------------------------

I hope this helps.

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs up.👍

Thanks,
ANB


 

Ivan29
Regular Visitor

Yes, I was referring to his video and the image control property is Last(attachmentcontrol.Attachments).Value

Ivan29
Regular Visitor

Thanks for the reply and the solution, however, I have encountered this error while trying the code, saying that "this function cannot be invoked within ForAll". May I know how can I solve this error?

a4.png

Hi @Ivan29 , Can you confirm what is the currentItem? Is it a variable? And where you have written this code? 

 

Thanks,

ANB

Ivan29
Regular Visitor

Yes, it is a variable that I set where i have written it in the item property on an edit form to display the list item that the user has selected from a gallery to edit it

@Ivan29 Use this

ForAll(col_allattachment As var, 
       Collect(ArrayDoc,     
       {
        ID:currentItem.ID,
        AttachmentName:var.Name,
        AttachmentContent: var.Value 
       }
     )
)

 

And Once the Flow is triggered, then after that use 

Clear(ArrayDoc)

-----------------------------------------------------------------------------------------------------------------------------

I hope this helps.

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs up.👍

Thanks,
ANB


 

Ivan29
Regular Visitor

Thanks for your help! Do you mean that after i triggered the flow, I would then add this code inside? or do i need to delete any code and then add this?

Clear(ArrayDoc)

 

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