Case: Inbound file or idoc is expected to create a Invoice in the System. Identify the required flow.

Solution:
Read the Input Data
Prepare data – header and item for the FM BAPI_INCOMINGINVOICE_CREATE1
Call FM BAPI_INCOMINGINVOICE_CREATE1 by passing values
Check for return table with error message – if there are no errors, call FM BAPI_TRANSACTION_COMMIT.

~S