Hi,
I tried to create a ZUGFeRD PDF and attach the corresponding XML.
I used your code template from docs here: Attach ZUGFeRD
What didn’t work for me was setting the correct MIMEType. Like in the template, I set the M…...not set when adding an XML attachment to PDF when creating a ZUGFeRD...PDF Product Family add-pdf-attachment , zugferd BAV_Institut October...