https://community.appian.com/discussions/f/integrations/20183/failing-to-set-soap-header-in-integration-call-with-xml-and-embedded-doc-in-base64Hi all, This scenario has few relevant details. Will try to make all them visible... I need to send an XML SOAP message to a third party, and the message has embedded a document, which has to be codified (uuencode) in base64. Reading the documentationen-USTelligent Community 12