<status value="active" /> <description value="Perfil Communication para representar mensajes y notificaciones en el sistema." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Communication" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Communication" /> <derivation value="constraint" /> <differential> <element id="Communication.category"> <path value="Communication.category" /> <min value="1" /> <max value="1" /> </element> <element id="Communication.recipient.identifier"> <path value="Communication.recipient.identifier" /> <min value="1" /> </element> <element id="Communication.sender.identifier"> <path value="Communication.sender.identifier" /> <min value="1" /> </element> </differential> </StructureDefinition>