<status value="active" /> <experimental value="false" /> <date value="2019" /> <publisher value="Chris Grenz" /> <contact> <telecom> <system value="email" /> <value value="chris.grenz@thoughtworks.com" /> </telecom> </contact> <description value="Require at least one identifier to fall into the default slice." /> <copyright value="(c)2019 Chris Grenz into public domain" /> <fhirVersion value="4.0.0" /> <kind value="resource" /> <abstract value="false" /> <type value="Patient" /> <baseDefinition value="http://example.com/fhir/StructureDefinition/patient-5b-defaultslice" /> <derivation value="constraint" /> <differential> <element id="Patient"> <path value="Patient" /> </element> <element id="Patient.identifier:@default"> <path value="Patient.identifier" /> <sliceName value="@default" /> <min value="1" /> </element> </differential> </StructureDefinition>