<Bundle xmlns="http://hl7.org/fhir"><id value="bundle-search-warning"/><meta><lastUpdated value="2017-03-14T08:23:30+11:00"/></meta><type value="searchset"/><total value="0"/><link><relation value="self"/><url value="https://example.org/fhir/Observation?patient.identifier=http://example.com/fhir/identifier/mrn|123456"/></link><entry><fullUrl value="urn:uuid:2866af9c-137d-4458-a8a9-eeeec0ce5583"/><resource><OperationOutcome><id value="warning"/><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml">There is no matching patient for MRN 123456</div></text><issue><severity value="warning"/><code value="not-found"/><details><text value="There is no matching patient for MRN 123456"/></details></issue></OperationOutcome></resource><search><mode value="outcome"/></search></entry></Bundle>