[Zope-dev] using a DA

Hi, i have a problem on using a DA in my Product. I have a Postgresql DA in my root-folder. If my Product is installed in the root-folder and i use: self.con_obj = DA.DA('id','','pgsql','',query) return self.con_obj() When i install my Product in a sub-folder of the root-folder and i call the function above the following error occurs. The database connection pgsql cannot be found. Who can help me, please Thanks as