Appointment request

{
  "resourceType" : "Appointment",
  "id" : "examplereq",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Brian MRI results discussion</div>"
  },
  "identifier" : [{
    "system" : "http://example.org/sampleappointment-identifier",
    "value" : "123"
  }],
  "status" : "proposed",
  "serviceCategory" : [{
    "coding" : [{
      "system" : "http://example.org/service-category",
      "code" : "gp",
      "display" : "General Practice"
    }]
  }],
  "specialty" : [{
    "coding" : [{
      "system" : "http://snomed.info/sct",
      "code" : "394814009",
      "display" : "General practice (specialty)"
    }]
  }],
  "appointmentType" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v2-0276",
      "code" : "WALKIN",
      "display" : "A previously unscheduled walk-in visit"
    }]
  },
  "reason" : [{
    "concept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "413095006"
      }],
      "text" : "Clinical Review"
    }
  }],
  "description" : "Discussion on the results of your recent MRI",
  "minutesDuration" : 15,
  "requestedPeriod" : [{
    "start" : "2016-06-02",
    "end" : "2016-06-09"
  }],
  "slot" : [{
    "reference" : "Slot/example"
  }],
  "created" : "2015-12-02",
  "note" : [{
    "text" : "Further expand on the results of the MRI and determine the next actions that may be appropriate."
  }],
  "subject" : {
    "reference" : "Patient/example",
    "display" : "Peter James Chalmers"
  },
  "participant" : [{
    "actor" : {
      "reference" : "Patient/example",
      "display" : "Peter James Chalmers"
    },
    "required" : true,
    "status" : "needs-action"
  },
  {
    "type" : [{
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/v3-ParticipationType",
        "code" : "ATND"
      }]
    }],
    "required" : true,
    "status" : "needs-action"
  },
  {
    "actor" : {
      "reference" : "Location/1",
      "display" : "South Wing, second floor"
    },
    "required" : true,
    "status" : "accepted"
  }]
}