{
    "optional": true,
    "properties": {
        "comment": {
            "type": "string"
        },
        "mimeType": {
            "type": "string"
        },
        "params": {
            "properties": {
                "comment": {
                    "type": "string"
                },
                "contentType": {
                    "type": "string"
                },
                "fileName": {
                    "type": "string"
                },
                "name": {
                    "type": "string"
                },
                "value": {
                    "type": "string"
                }
            },
            "required": [
                "name"
            ],
            "type": "array"
        },
        "text": {
            "type": "string"
        }
    },
    "required": [
        "mimeType"
    ],
    "type": "object"
}