ECMAP includes rule commands and system variables for EDI-to-EDI mapping:
Company Lookup command – optional
EDI Filename command – required
EDI-to-EDI Run Switches command – optional
Map Envelope Level command – required
Map Level command – optional
Trade Partner Lookup command – optional
You can use these commands to assign information to a value for a specific transaction, or for all transactions.This means you can use the same variable and it can contain different information for different transaction.