code: def list_receivers(self):
          
          print("Receiver list")
          print("*************\n")
          for key, receiver in self.app.signals.receivers.items():
              print("%s <-- %s (%s):\n  %s\n" % (receiver.name,
                                                 receiver.signal,
                                                 receiver.plugin.name,
                                                 receiver.description))
docs: Prints a list of all registered receivers. Including signal, plugin name and description.