executeMethodNotFoundMessage
executeMethodNotFoundMessage(): String;
The executeMethodNotFoundMessage method of the Application class returns a default HyperText Markup Language (HTML) string that is sent to a web browser user when the method specified for execution cannot be found or it is invalid.
You can override this method in the Application class of your user-defined schemas. However, it is your responsibility to ensure that the returned string is a correctly formatted HTML string if you override this method.