onStartFunctionalGroup (event)

Fires whenever a control segment is read that marks the start of a functional group.

- (void)onStartFunctionalGroup:(NSString*)tag :(NSString*)controlNumber :(NSString*)fullSegment

Discussion

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.