How to use the libmozevent.pulse.PulseListener function in libmozevent

)
                        ]
                    },
                    taskcluster_config.secrets["communitytc_pulse_user"],
                    taskcluster_config.secrets["communitytc_pulse_password"],
                    "communitytc",
                )
                # Manually register to set queue as redis
                self.community_pulse.bus = self.bus
                self.bus.add_queue(QUEUE_PULSE_BUGBUG_TEST_SELECT, redis=True)
                self.bus.add_queue(QUEUE_PULSE_TRY_TASK_END, redis=True)
            else:
                self.community_pulse = None

            if exchanges:
                self.pulse = PulseListener(
                    exchanges,
                    taskcluster_config.secrets["pulse_user"],
                    taskcluster_config.secrets["pulse_password"],
                )
                # Manually register to set queue as redis
                self.pulse.bus = self.bus
                self.bus.add_queue(QUEUE_PULSE_AUTOLAND, redis=True)
            else:
                self.pulse = None

        else:
            self.bugbug_utils = None
            self.webserver = None
            self.pulse = None
            self.community_pulse = None
            logger.info("Skipping webserver, bugbug and pulse consumers")

(PULSE_TASK_GROUP_RESOLVED, ["#.gecko-level-3.#"])
                ]

            # Create pulse listeners for bugbug test selection task and unit test failures.
            if community_config is not None and test_selection_enabled:
                exchanges[QUEUE_PULSE_TRY_TASK_END] = [
                    (PULSE_TASK_COMPLETED, ["#.gecko-level-1.#"]),
                    (PULSE_TASK_FAILED, ["#.gecko-level-1.#"]),
                    # https://bugzilla.mozilla.org/show_bug.cgi?id=1599863
                    # (
                    #    "exchange/taskcluster-queue/v1/task-exception",
                    #    ["#.gecko-level-1.#"],
                    # ),
                ]

                self.community_pulse = PulseListener(
                    {
                        QUEUE_PULSE_BUGBUG_TEST_SELECT: [
                            (
                                "exchange/taskcluster-queue/v1/task-completed",
                                ["route.project.relman.bugbug.test_select"],
                            )
                        ]
                    },
                    taskcluster_config.secrets["communitytc_pulse_user"],
                    taskcluster_config.secrets["communitytc_pulse_password"],
                    "communitytc",
                )
                # Manually register to set queue as redis
                self.community_pulse.bus = self.bus
                self.bus.add_queue(QUEUE_PULSE_BUGBUG_TEST_SELECT, redis=True)
                self.bus.add_queue(QUEUE_PULSE_TRY_TASK_END, redis=True)