{
    "schema_version": "https://raw.githubusercontent.com/hubverse-org/schemas/main/v3.0.0/tasks-schema.json",
    "rounds": [{
            "round_id_from_variable": true,
            "round_id": "forecast_date",
            "model_tasks": [{
                "task_ids": {
                    "forecast_date": {
                        "required": null,
                        "optional": [
                            "2022-12-12", "2022-12-19", "2022-12-26", "2023-01-02", "2023-01-09",
                            "2023-01-16", "2023-01-23", "2023-01-30", "2023-02-06", "2023-02-13",
                            "2023-02-20", "2023-02-27", "2023-03-06", "2023-03-13", "2023-03-20",
                            "2023-03-27", "2023-04-03", "2023-04-10", "2023-04-17", "2023-04-24",
                            "2023-05-01", "2023-05-08", "2023-05-15"
                        ]
                    },
                    "target": {
                        "required": null,
                        "optional": ["wk ahead inc flu hosp"]
                    },
                    "horizon": {
                        "required": [2],
                        "optional": [1]
                    },
                    "location": {
                        "required": ["US"],
                        "optional": [
                            "01",
                            "02"
                        ]
                    }
                },
                "output_type": {
                    "sample": {
                        "output_type_id_params": {
                            "is_required": true,
                            "type": "character",
                            "min_samples_per_task": 50,
                            "max_samples_per_task": 100
                        },
                        "value": {
                            "type": "integer",
                            "minimum": 0
                        }
                    },
                    "mean": {
                        "output_type_id": {
                            "required": null,
                            "optional": ["NA"]
                        },
                        "value": {
                            "type": "double",
                            "minimum": 0
                        }
                    }
                },
                "target_metadata": [{
                    "target_id": "wk ahead inc flu hosp",
                    "target_name": "weekly influenza hospitalization incidence",
                    "target_units": "rate per 100,000 population",
                    "target_keys": {
                        "target": ["wk ahead inc flu hosp"]
                    },
                    "target_type": "discrete",
                    "description": "This target represents the counts of new hospitalizations per horizon week.",
                    "is_step_ahead": true,
                    "time_unit": "week"
                }]
            }, {
                "task_ids": {
                    "forecast_date": {
                        "required": null,
                        "optional": [
                            "2022-12-12", "2022-12-19", "2022-12-26", "2023-01-02", "2023-01-09",
                            "2023-01-16", "2023-01-23", "2023-01-30", "2023-02-06", "2023-02-13",
                            "2023-02-20", "2023-02-27", "2023-03-06", "2023-03-13", "2023-03-20",
                            "2023-03-27", "2023-04-03", "2023-04-10", "2023-04-17", "2023-04-24",
                            "2023-05-01", "2023-05-08", "2023-05-15"
                        ]
                    },
                    "target": {
                        "required": null,
                        "optional": ["wk flu hosp rate change"]
                    },
                    "horizon": {
                        "required": [2],
                        "optional": [1]
                    },
                    "location": {
                        "required": ["US"],
                        "optional": [
                            "01",
                            "02"
                        ]
                    }
                },
                "output_type": {
                    "pmf": {
                        "output_type_id": {
                            "required": ["large_decrease", "decrease", "stable", "increase", "large_increase"],
                            "optional": null
                        },
                        "value": {
                            "type": "double",
                            "minimum": 0,
                            "maximum": 1
                        }
                    }
                },
                "target_metadata": [{
                    "target_id": "wk flu hosp rate change",
                    "target_name": "weekly influenza hospitalization rate change",
                    "target_units": "rate per 100,000 population",
                    "target_keys": {
                        "target": ["wk flu hosp rate change"]
                    },
                    "target_type": "nominal",
                    "description": "This target represents the change in the rate of new hospitalizations per week comparing the week ending two days prior to the forecast_date to the week ending h weeks after the forecast_date.",
                    "is_step_ahead": true,
                    "time_unit": "week"
                }]
            }],
            "submissions_due": {
                "relative_to": "forecast_date",
                "start": -6,
                "end": 2
            }
        }

    ]
}
