Huli FHIR Core Implementation Guide (R4)
0.1.0 - Release

Huli FHIR Core Implementation Guide (R4) - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

OperationDefinition: Subscription $replay

Official URL: https://fhir.huli.ai/r4/OperationDefinition/Subscription-replay Version: 0.1.0
Active as of 2026-09-11 Computable Name: SubscriptionReplay

Re-enqueue past events whose occurred_at falls in a [from,to] window, for outage recovery / backfill. Only an active subscription may replay; the window is clamped to the retention horizon and one call re-enqueues at most 500 events. Requires system/Subscription.crud.

URL: [base]/Subscription/[id]/$replay

Parameters

UseNameScopeCardinalityTypeBindingDocumentation
INfrom1..1instant

Inclusive lower bound of the replay window.

INto1..1instant

Inclusive upper bound of the replay window.

OUTdeliveriesQueued1..1integer

Count of deliveries enqueued by this call.

OUTtruncated1..1boolean

True when the 500-event cap was hit; call again with the same window to advance to older events.