code: def actionnames(self):
          
          actions = []
          for service_name in sorted(self.services.keys()):
              action_names = self.services[service_name].actions.keys()
              for action_name in sorted(action_names):
                  actions.append((service_name, action_name))
          return actions
docs: Returns a alphabetical sorted list of tuples with all known
          service- and action-names.