{
    "fields": [
        {
            "required": true, 
            "name": "LinkRef"
        }, 
        {
            "required": true, 
            "name": "LinkDescription"
        }, 
        {
            "required": true, 
            "name": "Date"
        }, 
        {
            "required": true, 
            "name": "TimePeriod"
        }, 
        {
            "required": true, 
            "name": "AverageJT"
        }, 
        {
            "required": true, 
            "name": "AverageSpeed"
        }, 
        {
            "required": true, 
            "name": "DataQuality"
        }, 
        {
            "required": true, 
            "name": "LinkLength"
        }, 
        {
            "required": true, 
            "name": "Flow"
        }
    ]
}