<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="shr-core-RecurrenceRange-extension" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>
        <b>SHR RecurrenceRange Extension</b>
      </p>
      <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>
    </div>
  </text>
  <url value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-RecurrenceRange-extension" />
  <identifier>
    <system value="http://standardhealthrecord.org" />
    <value value="shr.core.RecurrenceRange" />
  </identifier>
  <version value="0.0.1" />
  <name value="SHR RecurrenceRange Extension" />
  <title value="SHR RecurrenceRange Extension" />
  <status value="draft" />
  <date value="2017-12-20" />
  <publisher value="The MITRE Corporation: Standard Health Record Collaborative" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://standardhealthrecord.org" />
    </telecom>
  </contact>
  <description value="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 value="3.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="*" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <snapshot>
    <element id="Extension:recurrencerange">
      <path value="Extension" />
      <short value="SHR RecurrenceRange Extension" />
      <definition value="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 value="0" />
      <max value="*" />
      <base>
        <path value="Extension" />
        <min value="0" />
        <max value="1" />
      </base>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="children().count() &gt; id.count()" />
        <xpath value="@value|f:*|h:div" />
        <source value="Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="Extension" />
      </constraint>
      <constraint>
        <key value="choice-1" />
        <severity value="error" />
        <human value="shr-core-RecurrenceRange-extension SHALL have either extension('timeperiod') or extension('numberofrepeats')" />
        <expression value="( extension('timeperiod').url | extension('numberofrepeats').url ).distinct().count() == 1" />
      </constraint>
    </element>
    <element id="Extension:recurrencerange.id">
      <path value="Extension.id" />
      <representation value="xmlAttr" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension:recurrencerange.extension">
      <path value="Extension.extension" />
      <slicing id="38">
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <short value="Extension" />
      <definition value="An Extension" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element id="Extension:recurrencerange.extension:timeperiod">
      <path value="Extension.extension" />
      <sliceName value="timeperiod" />
      <definition value="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 value="0" />
      <max value="1" />
      <base>
        <path value="Extension.extension" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-TimePeriod-extension" />
      </type>
      <isModifier value="false" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension:recurrencerange.extension:numberofrepeats">
      <path value="Extension.extension" />
      <sliceName value="numberofrepeats" />
      <definition value="How many times the action should be repeated." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Extension.extension" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-NumberOfRepeats-extension" />
      </type>
      <isModifier value="false" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension:recurrencerange.url">
      <path value="Extension.url" />
      <representation value="xmlAttr" />
      <short value="identifies the meaning of the extension" />
      <definition value="Source of the definition for the extension code - a logical name or a URL." />
      <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Extension.url" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-RecurrenceRange-extension" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension:recurrencerange.value[x]">
      <path value="Extension.value[x]" />
      <short value="Value of extension" />
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list)." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Extension.value[x]" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="base64Binary" />
      </type>
      <type>
        <code value="boolean" />
      </type>
      <type>
        <code value="code" />
      </type>
      <type>
        <code value="date" />
      </type>
      <type>
        <code value="dateTime" />
      </type>
      <type>
        <code value="decimal" />
      </type>
      <type>
        <code value="id" />
      </type>
      <type>
        <code value="instant" />
      </type>
      <type>
        <code value="integer" />
      </type>
      <type>
        <code value="markdown" />
      </type>
      <type>
        <code value="oid" />
      </type>
      <type>
        <code value="positiveInt" />
      </type>
      <type>
        <code value="string" />
      </type>
      <type>
        <code value="time" />
      </type>
      <type>
        <code value="unsignedInt" />
      </type>
      <type>
        <code value="uri" />
      </type>
      <type>
        <code value="Address" />
      </type>
      <type>
        <code value="Age" />
      </type>
      <type>
        <code value="Annotation" />
      </type>
      <type>
        <code value="Attachment" />
      </type>
      <type>
        <code value="CodeableConcept" />
      </type>
      <type>
        <code value="Coding" />
      </type>
      <type>
        <code value="ContactPoint" />
      </type>
      <type>
        <code value="Count" />
      </type>
      <type>
        <code value="Distance" />
      </type>
      <type>
        <code value="Duration" />
      </type>
      <type>
        <code value="HumanName" />
      </type>
      <type>
        <code value="Identifier" />
      </type>
      <type>
        <code value="Money" />
      </type>
      <type>
        <code value="Period" />
      </type>
      <type>
        <code value="Quantity" />
      </type>
      <type>
        <code value="Range" />
      </type>
      <type>
        <code value="Ratio" />
      </type>
      <type>
        <code value="Reference" />
      </type>
      <type>
        <code value="SampledData" />
      </type>
      <type>
        <code value="Signature" />
      </type>
      <type>
        <code value="Timing" />
      </type>
      <type>
        <code value="Meta" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="Extension:recurrencerange">
      <path value="Extension" />
      <short value="SHR RecurrenceRange Extension" />
      <definition value="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 value="0" />
      <max value="*" />
      <constraint>
        <key value="choice-1" />
        <severity value="error" />
        <human value="shr-core-RecurrenceRange-extension SHALL have either extension('timeperiod') or extension('numberofrepeats')" />
        <expression value="( extension('timeperiod').url | extension('numberofrepeats').url ).distinct().count() == 1" />
      </constraint>
    </element>
    <element id="Extension:recurrencerange.extension:timeperiod">
      <path value="Extension.extension" />
      <sliceName value="timeperiod" />
      <definition value="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 value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-TimePeriod-extension" />
      </type>
    </element>
    <element id="Extension:recurrencerange.extension:numberofrepeats">
      <path value="Extension.extension" />
      <sliceName value="numberofrepeats" />
      <definition value="How many times the action should be repeated." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-NumberOfRepeats-extension" />
      </type>
    </element>
    <element id="Extension:recurrencerange.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://standardhealthrecord.org/fhir/StructureDefinition/shr-core-RecurrenceRange-extension" />
    </element>
    <element id="Extension:recurrencerange.value[x]">
      <path value="Extension.value[x]" />
      <min value="0" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>