After you create a file list for multiple source files, you can configure the session to access those files.
In the Workflow Manager, open the session properties.
Click the Mapping tab and open the Transformations view.
Click the Properties settings in the Sources node.
In the Source Filetype field, choose Indirect.
In the Source Filename field, replace the file name with the name of the file list.
If necessary, also enter the path in the Source File Directory field.
If you enter a file name in the Source Filename field, and you have specified a path in the Source File Directory field, the Integration Service looks for the named file in the listed directory.
-or-
If you enter a file name in the Source Filename field, and you do not specify a path in the Source File Directory field, the Integration Service looks for the named file in the directory where the Integration Service is installed on UNIX or in the system directory on Windows.