Insert an image in pdf invoice

Sorry, this question may sound dumb.

But I can see all folders and files of the other Plugins(like Tax.FixedOrByCountryStateZip)


But what folders and file do I need for my plugin?

Hello,
If you want to insert an image into an existing PDF file, you can do so for free using an online PDF editor. This method will allow you to paste an image into your PDF, however, you won't be able to edit the existing text or formatting in the file.

Thank you for your reply.

The QrCode wasn't the problem, I use a NuGetpackage to get an image out of the random code I generate. My problem was that I didn't know how to get the image in the pdf invoice.

But I am fine now, thanks for everybody to help!

RE:  "...QR-Code in the genericAttribute table
...
"Keygroup" = Order
"Key" = QrCode
"Value" = expiration date, so when the qrcode will be expired
"EntityId" = customerId


Not quite right.  You said your  QR code is order item specific.  Also, you need two separate attributes - one for the QR code value and one for the Expiration date value.  Otherwise concatenate the values with a separator character - e.g.

"Keygroup" = OrderItem
"Key" = "QrCode"
"Value" = code;YYYYMMDD
"EntityId" = OrderItemId