{
  "resourceType": "StructureDefinition",
  "id": "shr-core-RecurrenceRange-extension",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n  <p><b>SHR RecurrenceRange Extension</b></p>\n  <p>The start and end of the overall recurrence pattern in terms of dates/times or in terms of number of repeats. Could also be an event, such as when all doses are taken.</p>\n</div>"
  },
  "url": "http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-RecurrenceRange-extension",
  "identifier": [
    {
      "system": "http://standardhealthrecord.org",
      "value": "shr.core.RecurrenceRange"
    }
  ],
  "version": "0.0.1",
  "name": "SHR RecurrenceRange Extension",
  "title": "SHR RecurrenceRange Extension",
  "status": "draft",
  "date": "2017-12-20",
  "publisher": "The MITRE Corporation: Standard Health Record Collaborative",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://standardhealthrecord.org"
        }
      ]
    }
  ],
  "description": "The start and end of the overall recurrence pattern in terms of dates/times or in terms of number of repeats. Could also be an event, such as when all doses are taken.",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "*"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension:recurrencerange",
        "path": "Extension",
        "short": "SHR RecurrenceRange Extension",
        "definition": "The start and end of the overall recurrence pattern in terms of dates/times or in terms of number of repeats. Could also be an event, such as when all doses are taken.",
        "min": 0,
        "max": "*",
        "constraint": [
          {
            "key": "choice-1",
            "severity": "error",
            "human": "shr-core-RecurrenceRange-extension SHALL have either extension('timeperiod') or extension('numberofrepeats')",
            "expression": "( extension('timeperiod').url | extension('numberofrepeats').url ).distinct().count() == 1"
          }
        ]
      },
      {
        "id": "Extension:recurrencerange.extension:timeperiod",
        "path": "Extension.extension",
        "sliceName": "timeperiod",
        "definition": "A period of time defined by a start and end time, date, or year. If the start element is missing, the start of the period is not known. If the end element is missing, it means that the period is ongoing, or the start may be in the past, and the end date in the future, which means that period is expected/planned to end at the specified time. The end value includes any matching date/time. For example, the period 2011-05-23 to 2011-05-27 includes all the times from the start of the 23rd May through to the end of the 27th of May.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-TimePeriod-extension"
          }
        ]
      },
      {
        "id": "Extension:recurrencerange.extension:numberofrepeats",
        "path": "Extension.extension",
        "sliceName": "numberofrepeats",
        "definition": "How many times the action should be repeated.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": "http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-NumberOfRepeats-extension"
          }
        ]
      },
      {
        "id": "Extension:recurrencerange.url",
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-RecurrenceRange-extension"
      },
      {
        "id": "Extension:recurrencerange.value[x]",
        "path": "Extension.value[x]",
        "min": 0,
        "max": "0"
      }
    ]
  }
}