StartFunctionalGroup Event
Fires whenever a control segment is read that marks the start of a functional group.
Syntax
x12validator.on('StartFunctionalGroup', listener: (e: {readonly tag: string, readonly controlNumber: string, readonly fullSegment: string}) => void )
Remarks
The StartFunctionalGroup event will fire when a control segment marking the start of a functional group structure is read. The Tag parameter contains the tag of the segment, such as GS. ControlNumber contains the control number associated with the segment.