Pieler

Hello, I can't find the solution and spend hours for looking it. I hope that someone can help me. I have the following XML file from which I want to read the invoice number. The xml file starts with: <?xml version="1.0" encoding="utf-8"?> <Invoice xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2"> <CustomizationID xmlns="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2">urn:cen.eu:en16931:2017#compliant#urn:xoev-de:kosit:standard:xrechnung_2.1</CustomizationID> <ProfileID...