{
    "type": "object",
    "x-documentConfig": {
        "documentName": "Session",
        "methods": []
    },
    "properties": {
        "_id": {
            "type": "string",
            "x-format": "ObjectId",
            "index": true
        },
        "sessionCode": {
            "type": "string",
            "index": true
        },
        "provider": {
            "type": "string",
            "required": true
        },
        "userId":{
            "type": "string",
            "x-format": "ObjectId",
            "required": true
        },
        "expired": {
            "type": "number",
            "description": "expired time in unix timestamp format (ms)",
            "required": true
        }
    }
}