<status value="active" /> <experimental value="false" /> <date value="2019-11-14T00:00:00+00:00" /> <publisher value="Health eData Inc" /> <description value="The Da Vinci Notifications GraphDefinition Profile adds the capability to set "mustSupport" expectectations for links in the FHIR [GraphDefinition] resource to define usage conformance in an implementation specific manner. This extension is used in the similar way as the [ElementDefinition.mustSupport] in the FHIR specification." /> <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="resource" /> <abstract value="false" /> <type value="GraphDefinition" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/GraphDefinition" /> <derivation value="constraint" /> <differential> <element id="GraphDefinition"> <path value="GraphDefinition" /> <mustSupport value="false" /> </element> <element id="GraphDefinition.link"> <path value="GraphDefinition.link" /> <mustSupport value="true" /> </element> <element id="GraphDefinition.link.extension:must-support"> <path value="GraphDefinition.link.extension" /> <sliceName value="must-support" /> <min value="0" /> <max value="1" /> <type> <code value="Extension" /> <profile value="http://hl7.org/fhir/us/davinci-alerts/StructureDefinition/extension-mustSupport" /> </type> <mustSupport value="true" /> </element> </differential> </StructureDefinition>