{
    "hello_workflow": {
        "dag": {
            "dag_id": "hello_workflow",
            "local_variable": "dag_hello"
        },
        "dependencies": {
            "onu_event_handler": {}
        },
        "tasks": {
            "onu_event_handler": {
                "class": "XOSEventSensor",
                "dag_id": "hello_workflow",
                "dag": "dag_hello",
                "key_field": "serialNumber",
                "local_variable": "onu_event_handler",
                "poke_interval": 5,
                "provide_context": true,
                "python_callable": "ONU_event",
                "task_id": "onu_event_handler",
                "topic": "onu.events"
            }
        }
    }
}