code: def __get_item_sh_fields_empty(self, rol, undefined=False):
          
          # If empty_field is None, the fields do not appear in index patterns
          empty_field = '' if not undefined else '-- UNDEFINED --'
          return {
              rol + "_id": empty_field,
              rol + "_uuid": empty_field,
              rol + "_name": empty_field,
              rol + "_user_name": empty_field,
              rol + "_domain": empty_field,
              rol + "_gender": empty_field,
              rol + "_gender_acc": None,
              rol + "_org_name": empty_field,
              rol + "_bot": False
          }
docs: Return a SH identity with all fields to empty_field