Enabling PO line number mapping

The default behavior is to not map a line number from the 856 file to the Receipt Interface data. This record enables mapping the line number from the first element of an SN1 segment (SN101) or the current line count.

Field	Value	Comments/Examples
List name	L1_I_856_LINENUMBERS
Your value	Y
Partner value	<tpid> -or- *	Trading partner id or * for all trading partners