summary: BucketAggregation with SubAggregation using DSL
value:
  indices:  [ 'aggregations' ]
  aggregationType: 'DSL'
  aggregationsDsl:
    Identity Department:
      terms:
        field: 'attributes.department.exact'
      aggs:
        Identity Locations:
          terms:
            field: 'attributes.city.exact'
