StartInterchangeHeader Method
Creates a new EDI Interchange header segment on the current document.
Object Oriented Interface
public function doStartInterchangeHeader($version);
Procedural Interface
ipworksedi_edifactwriter_do_startinterchangeheader($res, $version);
Remarks
When called, a new interchange start (ISA or UNB) segment is created and set as the current segment. You should then set the values on said segment before creating a functional group or a new transaction set within the document.