# CohortOutputDecl

One cohort-output entry.

**Type**: `object`

## Properties

- name: aggregations (optional)
  type: array of `AggregationDecl`
  description: Aggregations to emit. Null = [{ fn: DEFAULT }].

- name: selectors (optional)
  type: `FilterPrimitive`

- name: spaceAggregation (optional)
  type: boolean
  description: When false, emit per-series time-only aggregation (no space/cohort collapse); aggregations apply as time-window folds. Default true keeps cohort aggregation.