1    /DESCENDANTS

    Format options:

       /DESCENDANTS
       /NODESCENDANTS (default)

    Specifies whether CDO deletes children. When you specify
    the /DESCENDANTS qualifier, CDO deletes all children that are
    not also children of additional elements outside the area defined
    by your top collection.

2    /LOG

    Format options:

       /LOG
       /NOLOG (default)

    Specifies whether CDO displays text confirming that the file
    element is deleted.