{
    "id": "Demo Searcher",
    "name": "Emails containing john",
    "description": "Finds email addresses and then filters out those which don't contain the string 'john'.",
    "rows": [
        [
            {
                "name": "Email",
                "id": "email",
                "description": null,
                "type": "duckling"
            }
        ],

        [
            {
                "id": "e97aa284061b58311423d4b0cccf596a_Contains john",
                "name": "Contains john",
                "description": null,
                "rows": [
                    [
                        {
                            "expression": ".*john.*"
                        }
                    ]
                ],
                "type": "custom"
            }
        ]
    ]
}