String filename

The name of the log file.

CatalogItemsFilter filter

Defines the subset of changes to be exported. The filter.items field cannot be null.

bool bExportAll

When TRUE then the contents of folders specified in filter.items and their descendants are written to the export file as if they were inserted right before that method was called. The filter's to and from date fields are ignored.

String sessionID

A string value that contains the session ID to log off from the SOAP session. The session ID is usually returned by the logon call. If the SOAP client engine can handle HTTP cookies, you can omit the session ID or set it to null.