The dox42 ZUGFeRDAction is a dox42 custom modify action that generates e-invoices in ZUGFeRD format, i.e. a PDF with an XML file embedded.
We recommend using the dox42 Service Designer to easily configure your ZUGFeRDAction calls. To do that, you need to import it as a custom output action into your dox42 Service Designer.
ZUGFeRD e-invoices can be validated by external validation tools, like https://www.portinvoice.com/.