<status value="draft" /> <date value="2018-03-17" /> <publisher value="Argonaut Project" /> <contact> <telecom> <system value="url" /> <value value="http://argonautwiki.hl7.org" /> </telecom> </contact> <description value="Custom parameters to `Slot` for additional implementation or site specific context or constraints. For example qualification on visit types such as age restrictions for well child visits." /> <jurisdiction> <coding> <system value="urn:iso:std:iso:3166" /> <code value="US" /> <display value="United States of America" /> </coding> </jurisdiction> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <contextType value="resource" /> <context value="Slot" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Subscription Payload Profile Extension" /> <definition value="Custom parameters to `Slot` for additional implementation or site specific context or constraints. For example qualification on visit types such as age restrictions for well child visits." /> <comment value="This extension references the [Parameters]({{site.data.fhir.path}}/parameters.html) extending its usage outside its stated scope. `Parameters` has no restful endpoint associated with it and can only be referenced as a [contained]({{site.data.fhir.path}}/references.html#contained) resource within `Slot`." /> <max value="1" /> </element> <element id="Extension.valueReference"> <path value="Extension.valueReference" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Parameters" /> </type> </element> </differential> </StructureDefinition>