my $doc = Win32::OLE->GetObject($message);
  my $property = 'X-ICCategory';
  my $value = '2';
  

  my $docprops =  $doc->CustomDocumentProperties();
  unless (defined ($doc->CustomDocumentProperties($property)))
  {
    $docprops->Invoke('Add', {
                               Name => $property,
                               LinkToContent => 0,
                               Type => 4,
                               Value  => $value,
                              });
   }
  $doc->CustomDocumentProperties($property)->{Value} = $value;