[Zope] How to restrict search path in portal_catalog(path='')

[saravanan annamalai]

Hi,
   I have the following requirement.

I just want to get the news items present in root folder only... 
/root
not those in /root/Member's folders...

using     container.portal_catalog(meta_type='News Item',path=' 
')

   I tried to use path argument as /root... But it doesnt work....  
Can anz bodz help in this matter

regards
saravanan A

A.Saravanan,
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