[Zope] Question about AdvancedQuery

Hi, I want use a query like : query['getPresta_chambres'] = { 'query': ["15"], 'range': 'min' } But with AdvancedQuery I don't see how make it : --------------------------------------------------------------------- query = And(Eq('portal_type', 'Meubles')) query = query & Eq('review_state', 'published') # This query don't run : query = query & Eq('getPresta_chambres', { 'query': ["15"],'range': 'min' }) --------------------------------------------------------------------- Could you help me :p ? Julian