{
    "cubes": [
    {
        "name": "InvoiceLine",
        "dimensions": ["Invoice"],
        "joins": [
          {"master":"InvoiceLine.InvoiceId", "detail": "Invoice.InvoiceId"}
        ],
        "measures": [{"name":"Quantity", "label":"Track Qnty"}],
    "aggregates": [
              {
                  "name": "Quantity",
                  "function": "sum",
                  "measure": "Quantity"
              },
              {
                  "name": "record_count",
                  "function": "count"
              }
          ]
       }
    ],
    "dimensions": [
        {"name":"Invoice","attributes": ["InvoiceId","InvoiceDate","BillingAddress"] ,"label":"Invoice"}
      ]
}