Fires whenever a control segment is read that marks the start of a transaction.
Object Oriented Interface
public function fireStartTransaction($param);
ipworksedi_vdareader_register_callback($res, 11, array($this, 'fireStartTransaction'));
The StartTransaction event will fire when a control segment marking the start of a transaction is read. The Tag parameter contains the tag of the segment, such as ST. ControlNumber contains the control number associated with the segment. Code contains the transaction code (such as 810).