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Pass the signature of the user (Full Name and an image) from Power Apps to Word document using Power Automate and SharePoint

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Posted on by johnjohn123

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I have a Power Apps where the user can upload his/her signature image >> then i am calling a Power Automate flow which will populate a word document with the Full name of the user and the signature image.

Currently i am having troubles to understand how i can pass the image the user will upload inside power app to the word document .

Currently i have the following settings:-

1) Inside SharePoint >> I added a document library >> and i added 3 custom columns (FullName, Sig1 + Sig2) >> so i am trying to either store the full image inside an image field (Sig1) or to store the binary date of the image inside a multiple line of text field (Sig2):-

2) then i have this Power Automate flow >> which will create a new file based on the temp.docx template and populate the word document with the first name.:-

so can anyone advice how i can pass the image (signature) from Power Apps to SharePoint and Power Automate please?

thanks in advance for any help.

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Building Power Apps

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NickMerrick 419 Super User 2024 Season 1 on at

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Convert the image into base 64 in PowerApps, save the text to a multiline text column in sharepoint, then in power automate use the Base64 to binary function to convert it back, have that compose contents as your image input.

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johnjohn123 3,514 on at

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@NickMerrick Ok so let say i saved the binary data inside SharePoint and i triggered a power automate flow, then how i can show the binary data as an image inside the word? can you provide more info please?

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NickMerrick 419 Super User 2024 Season 1 on at

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@johnjohn123 convert base64 image to image content using the base64ToBinary function

base64ToBinary(your_base64_string)
so you could add a compose action, include this function and convert your image/images. If you have multiple you could append them to an array, then add either the compose outputs dynamic element or the array to your image field, it would add the converted images.

Id also reach out to the power automate forums as they would probably have more information on Flows.

https://powerusers.microsoft.com/t5/Building-Flows/bd-p/BuildingFlows

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