code: @RequestMapping(method = RequestMethod.PATCH, value = "/updateUserField")
      public ResponseEntity<Void> updateUserField() {
          ConfigurationHandler response =  configurationHandlerService.getConfigForUpdateUserField();
  
          return new ResponseEntity<>(HttpStatus.valueOf(response.getResult()));
      }
docs: Processes HTTP.PATCH request (URL: .../updateUserField).
  @return ResponseEntity with http status result (success or not).