{
    "filter": [
        {
            "field": "From",
            "match": "@hostelworld.com",
            "mimeType": "message/rfc822",
            "scope": "Ancestors"
        }
    ],
    "function": "parseReservationMail",
    "mimeType": "text/plain",
    "script": "hostelworld.js"
}
