code: def get_api_required_params(self):
          
          result = self.required_params
          if type(result) != list:
              raise ValueError(
                  '{}.required_params should return list'.format(
                      self.__class__.__name__
                  )
              )
          return result
docs: List with required params
  
          :return: Dictionary with API parameters
          :raises ValueError: If value of __class__.required_params is not list
          :rtype: list