// we are good and should add the header copy.
XmlNamespace ns = last.xml().getNamespace();
GpelAssignCopyFrom headerFrom = new GpelAssignCopyFrom(ns);
headerFrom.xml().setAttributeValue(PART_STR, LEAD_HEADER_STR);
headerFrom.xml().setAttributeValue(VARIABLE_STR, WORKFLOW_INPUT_STR);
GpelAssignCopyTo headerTo = new GpelAssignCopyTo(ns);
headerTo.xml().setAttributeValue(PART_STR, LEAD_HEADER_STR);
headerTo.xml().setAttributeValue(VARIABLE_STR, next.xml().attributeValue(INPUT_VARIABLE_STR));
GpelAssignCopy headerCopy = new GpelAssignCopy(ns, headerFrom, headerTo);