code: def connect(self, receiver, signal, function, plugin, description="", sender=None):
          
          if receiver in self.receivers.keys():
              raise Exception("Receiver %s was already registered by %s" % (receiver,
                                                                            self.receivers[receiver].plugin.name))
          self.receivers[receiver] = Receiver(receiver, signal, function, plugin, self._namespace, description, sender)
          self.__log.debug("Receiver %s registered for signal %s" % (receiver, signal))
          return self.receivers[receiver]
docs: Connect a receiver to a signal
  
          :param receiver: Name of the receiver
          :type receiver: str
          :param signal: Name of the signal. Must already be registered!
          :type signal: str
          :param function: Callable functions, which shall be executed, of signal is send.
          :param plugin: The plugin objects, which connects one of its functions to a signal.
          :param description: Description of the reason or use case, why this connection is needed.
                              Used for documentation.
          :param sender: If set, only signals from this sender will be send to ths receiver.