# SpansBackfillTemplateInput

Schema for the spans backfill job graph.

**Type**: `object`

## Properties

- name: backfillTimestampTag (required)
  type: string
  description: ISO-8601 value stamped onto backfilled records as the grepr.backfilled.timestamp tag. Computed by the builder so the template stays free of time logic.

- name: datasetId (required)
  type: string
  description: Dataset containing the raw records and delivery dedup state.

- name: end (required)
  type: string
  description: End of the backfill interval.

- name: limit (required)
  type: integer
  description: Maximum rows selected independently by each generated source.

- name: query (required)
  type: `EventPredicate`

- name: sinks (required)
  type: array of `Operation`
  description: The vendor sink operations that deliver the backfilled records.

- name: sqlOperation (optional)
  type: `SqlOperation`

- name: start (required)
  type: string
  description: Start of the backfill interval.

- name: variables (optional)
  type: object
  description: Variables retained on the generated backfill source.