reason: Informative message that describes the reason of the terminating error. Expression, must evaluate to a string.
Aborts template processing with the given (optional) error message. This must not be used for ending template processing in normal situations! The caller of the FreeMarker template will see this as a failed template rendering, not as a normally finished one.
This directive throws a
StopException, and the
StopException will hold the value of the reason