text: from twisted.logger import Logger
  from autobahn.twisted.wamp import ApplicationSession
  
  class MySession(ApplicationSession):
  
      log = Logger()
  
      def __init__(self, config):
          self.log.info("MySession.__init__()")
          ApplicationSession.__init__(self, config)
  
      def onJoin(self, details):
          self.log.info("MySession.onJoin()")
  