{
  "resourceType": "Appointment",
  "id": "examplereq",
  "text": {
    "status": "generated",
    "div": "<div>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://example.org/specialty",
          "code": "gp",
          "display": "General Practice"
        }
      ]
    }
  ],
  "appointmentType": {
    "coding": [
      {
        "system": "http://example.org/appointment-type",
        "code": "wi",
        "display": "Walk in"
      }
    ]
  },
  "reason": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "413095006"
      }
    ],
    "text": "Clinical Review"
  },
  "priority": 5,
  "description": "Discussion on the results of your recent MRI",
  "minutesDuration": 15,
  "slot": [
    {
      "reference": "Slot/example"
    }
  ],
  "created": "2015-12-02",
  "comment": "Further expand on the results of the MRI and determine the next actions that may be appropriate.",
  "participant": [
    {
      "actor": {
        "reference": "Patient/example",
        "display": "Peter James Chalmers"
      },
      "required": "required",
      "status": "needs-action"
    },
    {
      "type": [
        {
          "coding": [
            {
              "system": "http://hl7.org/fhir/v3/ParticipationType",
              "code": "ATND"
            }
          ]
        }
      ],
      "required": "required",
      "status": "needs-action"
    },
    {
      "actor": {
        "reference": "Location/1",
        "display": "South Wing, second floor"
      },
      "required": "required",
      "_required": {
        "fhir_comments": [
          "  This resource auto accepts, so doesn't need negotiation  "
        ]
      },
      "status": "accepted"
    }
  ]
}