Understanding File Layouts
The File Layout Definition report contains information necessary to assist you with your flat file EDI transaction processing. The report includes all fields in the file layout, the sequence of the fields, the type of field (character and number), the length of the fields, and the starting position of the fields.
The following diagrams 1 and 2 illustrate two examples of a file layout definition report generated for the Advanced Shipping Notice EDI transaction. Diagram 1:

Diagram 2:
