{
    "blockOptions": {
        "method": {
            "args": {
                "type": "type",
                "time": "time",
                "weeks": "weeks"
            },
            "name": "isDate"
        }
    },
    "blockType": "when",
    "fields": [
        {
            "name": "type",
            "type": "string",
            "value": "yearWeeks"
        },
        {
            "name": "time",
            "type": "24_hours_time_array",
            "value": ["13:20", "13:21", "13:22"]
        },
        {
            "name": "weeks",
            "type": "int_array",
            "value": [35, 36, -1]
        }
    ]
}