{

"resourceType": "Slot",
"id": "3",
"serviceCategory": [
  {
    "coding": [
      {
        "code": "17",
        "display": "General Practice"
      }
    ]
  }
],
"schedule": {
  "reference": "Schedule/example"
},
"status": "busy-unavailable",
"start": "2013-12-25T09:30:00Z",
"end": "2013-12-25T09:45:00Z",
"comment": "Dr Careful is out of the office",
"meta": {
  "tag": [
    {
      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
    }
  ]
}

}