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Decode a Base64 attachment file from XML (PEPPOL BIS 3.0 Invoice) and attach invoice created

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Posted on by Monikasree GM

Hello Team,

I have a requirement to decode a base 64 attachment file in the Peppol bis 3.0 xml invoice file and attach the decoded file to pending vendor invoice created.

Please suggest me any reference document for this.

1. How to decode the base64 file attachment in XML

2. How to attach the same to pending vendor lines created

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RudyZhang Microsoft Employee on at

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Hi,

Our search shows that you can use the /Convert.FromBase64String/ method to decode Base64 encoded data.

There is some sample code in the official document at the link below to help you understand and use this method better.
https://learn.microsoft.com/en-us/dotnet/api/system.convert.frombase64string?view=net-7.0

Additionally, if you are using Dynamics 365 BC you can refer to the following documentation to add attachments to your invoices.
https://learn.microsoft.com/en-us/dynamics365/business-central/ui-how-add-link-to-record#to-attach-a-file-to-a-purchase-invoice

I hope my answer is helpful to you! If you have any other questions, please feel free to contact me.

Best Regards,
Rudy Zhang

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RudyZhang Microsoft Employee on at

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Hi,

May I ask if your problem has been solved?
You can try my solution and contact me if you need any help.

Best Regards,
Rudy Zhang

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Monikasree GM 41 on at

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Hello @RudyZhang,

Thank you for the below information.

I have retrieved the Base64 string from XML and I have used the below code to convert the base64 to DocuValueFile and stored the attachment in DocuValue table.

DocuValueFile file = BinData::loadFromBase64(base64File);

Regards,

Monika

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