index property

num? index
getter/setter pair

indicates the line number:

Range 1 to 9 for additional header (type 1) Range 1 to 99 for trailer and additional trailer descriptions (types 2 and 3) No meaning for additional row, Customer Id and EFT-POS transaction lines (types 4, 7 and 8) The attribute can be omitted

Implementation

num? index;