An example of a patient link notification

{
  "resourceType" : "MessageDefinition",
  "id" : "patient-link-notification",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Link Patients Notification</div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "inm"
  }],
  "url" : "http://hl7.org/fhir/MessageDefinition/patient-link-notification",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.15.2"
  }],
  "version" : "1",
  "name" : "PATIENTLINKNOTIFICATION",
  "title" : "Link Patients Notification",
  "status" : "draft",
  "experimental" : true,
  "date" : "2017-02-03",
  "publisher" : "HL7 International / Infrastructure And Messaging",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/inm"
    }]
  }],
  "description" : "Notification of two patient records that represent the same individual that require an established linkage.",
  "useContext" : [{
    "code" : {
      "system" : "http://terminology.hl7.org/CodeSystem/usage-context-type",
      "code" : "focus"
    },
    "valueCodeableConcept" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/variant-state",
        "code" : "positive"
      }]
    }
  }],
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "US",
      "display" : "United States of America"
    }]
  }],
  "purpose" : "Notifies recipient systems that two patients have been 'linked' - meaning they represent the same individual",
  "copyright" : "� HL7.org 2011+",
  "base" : "http://hl7.org/fhir/MessageDefinition/example",
  "eventCoding" : {
    "system" : "http://example.org/fhir/message-events",
    "code" : "admin-notify"
  },
  "category" : "notification",
  "focus" : [{
    "code" : "Patient",
    "profile" : "http://hl7.org/fhir/StructureDefinition/example",
    "min" : 2,
    "max" : "2"
  }],
  "allowedResponse" : [{
    "message" : "http://hl7.org/fhir/MessageDefinition/patient-link-response",
    "situation" : "Optional response message that may provide additional information"
  }]
}