code: def _getParameters(self):
          
          param = self.query._getParameters() 
          index = self._getFilterIndex()
          param.update({
          'filter['+str(index)+'][columnAlias]' : self.__column,
          'filter['+str(index)+'][data][type]' : self.__type,
          'filter['+str(index)+'][data][value]' : self.__value,
          'filter['+str(index)+'][data][comparison]' : self.__comparison})        
          #self.__column.getColumnAlias()
          return param
docs: Returns the result of this decorator.