<?xml version="1.0" encoding="UTF-8"?><MessageHeader xmlns="http://hl7.org/fhir"><id value="MessageHeader-example"/><meta><versionId value="22"/><lastUpdated value="2022-02-18T00:39:41.574+08:00"/></meta><eventCoding><system value="http://example.org/fhir/message-events"/><code value="admin-notify"/></eventCoding><destination><name value="Diane Borer"/><target><reference value="Device/example"/></target><endpoint value="llp:10.11.12.14:5432"/><receiver><reference value="http://acme.com/ehr/fhir/Practitioner/2323-33-4"/></receiver></destination><sender><reference value="Organization/1"/></sender><enterer><reference value="Practitioner/example"/></enterer><author><reference value="Practitioner/example"/></author><source><name value="Ollie Dooley"/><software value="FooBar Patient Manager"/><version value="3.1.45.AABB"/><contact><system value="phone"/><value value="7aPZml2TLHs"/></contact><endpoint value="llp:10.11.12.13:5432"/></source><reason><coding><system value="http://terminology.hl7.org/CodeSystem/message-reasons-encounter"/><code value="admit"/></coding></reason><response><identifier value="5015fe84-8e76-4526-89d8-44b322e8d4fb"/><code value="ok"/></response><focus><reference value="Patient/example"/></focus><definition value="http:////acme.com/ehr/fhir/messagedefinition/patientrequest"/></MessageHeader>