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Power Apps, Pen Input to Sharepoint List



If anyone could help it would really be appreciated I am struggling to find out how to store my Pen Input image into my Sharepoint List, I dont seem to be able to find any instructions on how to carry this out.


I have found a lot of information telling me that this hasnt been developed as of yet but these posts where back in 2016 so Im unsure if this is still the case.


I am creating a registration form and a signature field is required, but I cant keep the information in a gallery as I cant have the information stored at device level.


But I need to be able to see the signatures within my Sharepoint list against the other information I am collecting.




Community Support Team
Community Support Team

Re: Power Apps, Pen Input to Sharepoint List

Hi @Paula,


So far the only way to attach images to SharePoint list is using attachment control inside a Form control. This will attach the image as an attachment in the list. Using pen input control to upload images to SharePoint list is not supported. 


For attachment control, please refer to:


For Submitting captured image to SharePoint List idea voting, please go to:




Community Support Team _ Mona Li
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Level: Powered On

Re: Power Apps, Pen Input to Sharepoint List

Is there any other format (excel etc.) that is supported?


If I am even able to store a signature in another format as a reference this would possibly cover my requirements.



Level: Powered On

Re: Power Apps, Pen Input to Sharepoint List

Hi Paula,


Did you find a way to store the image?

So far, the only way I found is through the email connector. 

Seems a little too wide as a workaround, getting a mailbox created just to save the pen input as an image... 


I've also followed the instruction at 

and managed to capture the image into a collection and display it in a gallery. 

Still can't save the image anywhere




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Re: Power Apps, Pen Input to Sharepoint List

Hi Jorge, 


Nope no luck I have tried everything I can think of and anything I have been able to find online but nothing seems to be working.


I have been able to get it to show lifting the information in a blob file but it wont store the information anywhere.


Think I may just have to wait until microsoft update this feature so it looks like I'm going to need to find another product as this isnt fit for purpose.


If you happen to find anything else please let me know, I was quite excited to introduce PowerApps but sadly the product just isnt developed enough yet.




Level: Powered On

Re: Power Apps, Pen Input to Sharepoint List

Thanks for the quick reply Paula.


the content is coming from the collection into Flow with a format




Paul Culmsee and John Liu have published a lot of content about it, but what I've seen so far is for pictures and camera picturs. Haven't seen anything specific to the penInput.


I'll try the swagger approach next, although it does feel even heavier than the mailbox option


The outlook connection works a treat

Office365.SendEmail("", "Subject Text","Email Body text",{Attachments:Table({Name:"Signature.jpeg",ContentBytesSmiley TongueenSignature.Image, 'odata.type':""})})

Level: Powered On

Re: Power Apps, Pen Input to Sharepoint List

You can save the Pen Input to your OneDrive (


You can then use a Flow to send it to your SharePoint. Personally, I convert the PNG PenInput stored on my OneDrive to a base64 value and send it to the appropriate location in my SharePoint.


It's far from being ideal, since it doesn't work if you don't have internet connection. That's why I created a suggestion for PowerApps ( You can vote for this idea to make it more visible.

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