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

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: Subscription $replay - XML Representation

Active as of 2026-09-11

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<OperationDefinition xmlns="http://hl7.org/fhir">
  <id value="Subscription-replay"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: OperationDefinition Subscription-replay</b></p><a name="Subscription-replay"> </a><a name="hcSubscription-replay"> </a><p>URL: [base]/Subscription/[id]/$replay</p><h3>Parameters</h3><table class="grid"><tr><td><b>Use</b></td><td><b>Name</b></td><td><b>Scope</b></td><td><b>Cardinality</b></td><td><b>Type</b></td><td><b>Binding</b></td><td><b>Documentation</b></td></tr><tr><td>IN</td><td>from</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#instant">instant</a></td><td/><td><div><p>Inclusive lower bound of the replay window.</p>
</div></td></tr><tr><td>IN</td><td>to</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#instant">instant</a></td><td/><td><div><p>Inclusive upper bound of the replay window.</p>
</div></td></tr><tr><td>OUT</td><td>deliveriesQueued</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td/><td><div><p>Count of deliveries enqueued by this call.</p>
</div></td></tr><tr><td>OUT</td><td>truncated</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td/><td><div><p>True when the 500-event cap was hit; call again with the same window to advance to older events.</p>
</div></td></tr></table></div>
  </text>
  <url
       value="https://fhir.huli.ai/r4/OperationDefinition/Subscription-replay"/>
  <version value="0.1.0"/>
  <name value="SubscriptionReplay"/>
  <title value="Subscription $replay"/>
  <status value="active"/>
  <kind value="operation"/>
  <date value="2026-09-11T01:20:01+00:00"/>
  <publisher value="Huli"/>
  <contact>
    <name value="Huli"/>
    <telecom>
      <system value="url"/>
      <value value="https://huli.ai"/>
    </telecom>
  </contact>
  <description
               value="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."/>
  <affectsState value="true"/>
  <code value="replay"/>
  <resource value="Subscription"/>
  <system value="false"/>
  <type value="false"/>
  <instance value="true"/>
  <parameter>
    <name value="from"/>
    <use value="in"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Inclusive lower bound of the replay window."/>
    <type value="instant"/>
  </parameter>
  <parameter>
    <name value="to"/>
    <use value="in"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Inclusive upper bound of the replay window."/>
    <type value="instant"/>
  </parameter>
  <parameter>
    <name value="deliveriesQueued"/>
    <use value="out"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Count of deliveries enqueued by this call."/>
    <type value="integer"/>
  </parameter>
  <parameter>
    <name value="truncated"/>
    <use value="out"/>
    <min value="1"/>
    <max value="1"/>
    <documentation
                   value="True when the 500-event cap was hit; call again with the same window to advance to older events."/>
    <type value="boolean"/>
  </parameter>
</OperationDefinition>