Choosing the Service to Receive the Flat File from the Content Handler
Those methods that use the flat file content handler must do the following:
Accept an InputStream object called ffdata.
Return data in an InputStream or a ByteArray called ffreturn.
The WmFlatFile package provides the pub.flatFile:convertToValues service to be used within flow services to initially accept inbound flat files. Details about using this service to process inbound documents are provided in Processing Inbound Flat Files.
Accept an InputStream object called ffdata.