USing aggregation with filter, groupby.py

POST /api/v2/analytics/ladc/pr-client-os HTTP/1.1
Host: 35.226.184.162
provider: root
tenant: Test
Content-Type: application/json
Authorization: Basic cWFhdXRvbWF0aW9uMkBhcHBjaXRvLm5ldDpwYXNzd29yZA==

{
  "ladcClientOs": {
    "fields": [
      "numOfRecords"
    ],
    "aggregation": "sum",
    "sort": "desc",
    "groupby": "clientOSName",
    "rangeby": {
      "start": 1532476860000,
      "end": 1532498460000,
      "field": "timestamp"
    },
    "filterby": {
      "and": {
        "applicationId": "Test"
      }
    }
  }
}