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How to store signature(peninput) as an image into Sharepoint list?


I have the problem of saving and PenInput from a Powerapps form with data(name, surname, signature) as an image to Sharepoint list.

I know how to get the binary data as an image from the PenInput:


Set( PenVar, JSON( PenInput1.Image,JSONFormat.IncludeBinaryData ) );
Set( PenVar64, Mid(PenVar, 24,Len(PenVar) - 24 ) );


PenVar64 has the binary data. Tell me if I am wrong at converting this.
Attention: I don't want to create a file and pass the binary data as a content and save it to Sharepoint. As you notice I don't only have the Peninput field in the form, there is also name and surname. I want to save them all when I submit the Powerapps form.


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Super User

Solved: Pen input save as a image in a sharepoint list - Power Platform Community (

Something like this?


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Hi @zmansuri , is hard to understand the mix of the the blog response and the post external url response.

Also he is creating a file and then retrieving the file url stored in a different Sharepoint. I don't want that because if I want to update my signature many times I will have useless data.

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