FDi[rectory {SQL | DTS}[;FolderPath[;S Operation. List the contents (folders and packages) in a folder on SSIS or SQL Server. ...

FDi[rectory] {SQL | DTS}[;FolderPath[;S]]  Operation. List the contents (folders and packages) in a folder on SSIS or SQL Server.  The optional FolderPath is the folder to list the contents of. If none is supplied then the root folder is used.  The optional S allows for listing the contents off all the subfolders of the folder specified.