<?xml version="1.0" encoding="UTF-8"?><SubscriptionTopic xmlns="http://hl7.org/fhir">
  <id value="admission-parameters"/>
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <url value="http://example.org/FHIR/SubscriptionTopic/admission-parameters"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:uuid:6651a462-e65e-4ef1-9bab-b3ae997e5be9"/>
  </identifier>
  <title value="admission-parameters"/>
  <status value="active"/>
  <publisher value="HL7 International / FHIR Infrastructure"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg"/>
    </telecom>
  </contact>
  <description value="Example admission topic using a Parameters representation"/>
  <trigger>
    <description value="Patient admission or visit begins."/>
    <resource value="Parameters"/>
    <supportedInteraction value="create"/>
    <supportedInteraction value="update"/>
    <event>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0003"/>
        <code value="A01"/>
        <display value="ADT/ACK - Admit/visit notification"/>
      </coding>
    </event>
    <canFilterBy>
      <description value="Matching based on the Patient MRN, expected to be in a `part` named `mrn` and contain a `string` value, matched using `token` search rules."/>
      <resource value="Parameters"/>
      <filterParameter value="MRN"/>
    </canFilterBy>
    <notificationShape>
      <resource value="Parameters"/>
    </notificationShape>
  </trigger>
</SubscriptionTopic>