{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "additionalProperties": false,
    "description": "Transport file parameters. 'data' and 'type' must both be strings or both be null. If 'type' is non-null 'data' is expected to contain a valid instance of the specified media type.",
    "properties": {
        "data": {
            "description": "Content of the transport file",
            "type": [
                "string",
                "null"
            ]
        },
        "type": {
            "description": "IANA assigned media type for file (e.g application/sdp)",
            "type": [
                "string",
                "null"
            ]
        }
    },
    "required": [
        "data",
        "type"
    ],
    "title": "Transport file",
    "type": "object"
}