code: def register(self, procedure=None, options=None):
          
  
          def decorator(func):
              if self._started:
                  self.session.register(endpoint=func, procedure=procedure, options=options)
              else:
  
                  def registerer():
                      self.session.register(endpoint=func, procedure=procedure, options=options)
  
                  # Wait for the WAMP session to be started
                  self._on_running_callbacks.append(registerer)
              return func
  
          return decorator
docs: Decorator for the :meth:`AutobahnSync.session.register`
  
          .. note::
              This decorator can be used before :meth:`AutobahnSync.run` is called.
              In such case the actual registration will be done at ``run()`` time.