# Series Query: Group/Aggregate Sequence

# Description

Group merges multiple series into one. If group is applied after aggregation, it merges aggregate values.

The sequence can be controlled with the transformationOrder parameter.

Default order is to aggregate first and group second.

# Request

# URI

POST /api/v1/series/query

# Payload

[
  {
    "startDate": "2016-06-26T03:40:00Z",
    "endDate":   "2016-06-26T03:41:00Z",
    "entity": "nurswgvml007",
    "metric": "disk_used",
    "aggregate": {
      "type": "DELTA",
      "period": { "count": 1, "unit": "MINUTE" }
    },
    "group": {
      "type": "SUM",
      "period": { "count": 1, "unit": "MINUTE" }
    }
  }
]

# Response

# Payload

[
  {
    "entity": "nurswgvml007",
    "metric": "disk_used",
    "tags": {},
    "type": "HISTORY",
    "aggregate": {
      "type": "DELTA",
      "period": {
        "count": 1,
        "unit": "MINUTE",
        "align": "CALENDAR"
      },
      "counter": false
    },
    "group": {
      "type": "SUM",
      "period": {
        "count": 1,
        "unit": "MINUTE",
        "align": "CALENDAR"
      }
    },
    "data": [
      {
        "d": "2016-06-26T03:40:00.000Z",
        "v": 7248
      }
    ]
  }
]