<status value="active" /> <experimental value="false" /> <date value="2026-04-30" /> <publisher value="Tiplu GmbH" /> <description value="The profile is based on ISiKSubscription with extended and fixed topic. This profile overrides the must-support elements defined by ISiK to show the specifications for the MAIA IG." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Subscription" /> <baseDefinition value="https://gematik.de/fhir/isik/StructureDefinition/ISiKSubscription" /> <derivation value="constraint" /> <differential> <element id="Subscription.criteria"> <path value="Subscription.criteria" /> <comment value="MAIA only supports the subscription topic `maia-alert-accepted`, no other in ISiK defined topics are supported." /> <binding> <strength value="required" /> <valueSet value="https://tiplu.de/fhir/maia/ValueSet/MaiaSubscriptionTopicVS" /> </binding> </element> <element id="Subscription.channel.extension:heartbeatPeriod"> <path value="Subscription.channel.extension" /> <sliceName value="heartbeatPeriod" /> <comment value="ISiK Comment: Bedeutung: Intervall in dem der Server prüft, ob der Kommunikationskanal noch aktiv ist. MAIA only accepts a heartbeatPeriod of multiples of 60s." /> </element> <element id="Subscription.channel.type"> <path value="Subscription.channel.type" /> <patternCode value="rest-hook" /> </element> <element id="Subscription.channel.payload"> <path value="Subscription.channel.payload" /> <patternCode value="application/fhir+json" /> </element> <element id="Subscription.channel.payload.extension:content"> <path value="Subscription.channel.payload.extension" /> <sliceName value="content" /> </element> <element id="Subscription.channel.payload.extension:content.value[x]:valueCode"> <path value="Subscription.channel.payload.extension.value[x]" /> <sliceName value="valueCode" /> <type> <code value="code" /> </type> <patternCode value="full-resource" /> </element> <element id="Subscription.channel.header"> <path value="Subscription.channel.header" /> <comment value="MAIA only accepts the header `Authorization`, no other headers are supported." /> </element> </differential> </StructureDefinition>