code: public String getFormAttribute(@NotNull final String name, String defaultValue) {
          String value = request.formAttributes().get(name);
  
          if (value == null) {
              return defaultValue;
          }
  
          return value;
      }
docs: Allow getting form parameters in a generified way and return defaultValue if the key does not exist.
  
  @param name The key to get
  @param defaultValue value returned when the key does not exist
  @return {String} The found object