Showing new message definition structure

{
  "resourceType" : "CapabilityStatement",
  "id" : "messagedefinition",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }],
  "status" : "draft",
  "experimental" : true,
  "date" : "2012-01-04",
  "publisher" : "HL7 International / FHIR Infrastructure",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "description" : "Sample capability statement showing new MessageDefinition structure",
  "kind" : "instance",
  "software" : {
    "name" : "EHR"
  },
  "implementation" : {
    "description" : "Acme Message endpoint",
    "url" : "http://acem.com/fhir/message-drop"
  },
  "fhirVersion" : "6.0.0",
  "format" : ["xml",
  "json"],
  "messaging" : [{
    "endpoint" : [{
      "protocol" : {
        "system" : "http://hl7.org/fhir/message-transport",
        "code" : "mllp"
      },
      "address" : "mllp:10.1.1.10:9234"
    }],
    "reliableCache" : 30,
    "documentation" : "ADT A08 equivalent for external system notifications",
    "supportedMessage" : [{
      "mode" : "receiver",
      "definition" : "http://hl7.org/fhir/MessageDefinition/example"
    }]
  }]
}