Looking Undertown documentation at Predicates, Attributes and Handlers it seems that there is a textual representation for attributes that can be acceded some way like:
Hello %u the request method is %m (example extracted from documentation where %u is remote user and %m is method).
My intention is to use them to log request time or log other tracing/debugging methods.
How can I use them? Is there any provided handler that can log strings with interpolated attributes?
