code: def to_param_dict(self):
          param_dict = {}
          for index, dictionary in enumerate(self.value):
              for key, value in dictionary.items():
                  param_name = '{param_name}[{index}][{key}]'.format(
                                                      param_name=self.param_name,
                                                      index=index,
                                                      key=key)
                  param_dict[param_name] = value
          return OrderedDict(sorted(param_dict.items()))