D2 wrote at 2003-2-4 09:26 -0400: > Oh! so that means that the _getProductRegistryData is called (acquired) > from self and that ('zclasses') is passed as a parameter. > But why not using it that way : self._getProductRegistryData('zclasses) ? Acquisition, by default, does not acquire names starting with "_". You must explicitly call for acquisition in this case, with "aq_acquire". Dieter