code: def is_all_field_none(self):
          
  
          if self._id_ is not None:
              return False
  
          if self._monetary_account_paying_id is not None:
              return False
  
          if self._status is not None:
              return False
  
          if self._error_message is not None:
              return False
  
          if self._whitelist is not None:
              return False
  
          if self._object_ is not None:
              return False
  
          if self._request_reference_split_the_bill is not None:
              return False
  
          return True
docs: :rtype: bool