code: def trigger(self, name, *args, **kwargs):
          
  
          # Relevant middleware is cached so we don't have to rediscover it
          # every time. Fetch the cached value if possible.
  
          listeners = self._triggers.get(name, [])
  
          # Execute each piece of middleware
          for listener in listeners:
              result = listener(*args, **kwargs)
  
              if result == break_trigger:
                  return False
  
          return True
docs: Triggers an event to run through middleware. This method will execute
          a chain of relevant trigger callbacks, until one of the callbacks
          returns the `break_trigger`.