<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2017-09-15T15:44:03.811+01:00" />
  </meta>
  <url value="https://fhir.nhs.uk/StructureDefinition/gpconnect-schedule-1" />
  <version value="1.0.0" />
  <name value="GPConnect-Schedule-1" />
  <status value="active" />
  <publisher value="NHS Digital" />
  <contact>
    <name value="Interoperability Team" />
    <telecom>
      <system value="email" />
      <value value="interoperabilityteam@nhs.net" />
      <use value="work" />
    </telecom>
  </contact>
  <date value="2016-08-03T00:00:00+01:00" />
  <description value="The Schedule resource provides a container for time-slots that can be booked using an appointment." />
  <copyright value="Copyright © 2017 Health and Social Care Information Centre" />
  <fhirVersion value="1.0.2" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM" />
  </mapping>
  <kind value="resource" />
  <constrainedType value="Schedule" />
  <abstract value="false" />
  <base value="http://hl7.org/fhir/StructureDefinition/Schedule" />
  <snapshot>
    <element>
      <path value="Schedule" />
      <short value="The Schedule resource provides a container for time-slots that can be booked using an appointment" />
      <definition value="A schedule for appointment slots that can be booked." />
      <alias value="Availability" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Resource" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="DomainResource" />
      </type>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()" />
        </extension>
        <key value="dom-4" />
        <severity value="error" />
        <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated" />
        <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="contained.where(('#'+id in %resource.descendants().reference).not()).empty()" />
        </extension>
        <key value="dom-3" />
        <severity value="error" />
        <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource" />
        <xpath value="not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat('#', $id))]))" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="contained.contained.empty()" />
        </extension>
        <key value="dom-2" />
        <severity value="error" />
        <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources" />
        <xpath value="not(parent::f:contained and f:contained)" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="contained.text.empty()" />
        </extension>
        <key value="dom-1" />
        <severity value="error" />
        <human value="If the resource is contained in another resource, it SHALL NOT contain any narrative" />
        <xpath value="not(parent::f:contained and f:text)" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="Entity. Role, or Act" />
      </mapping>
      <mapping>
        <identity value="ical" />
        <map value="BEGIN:VFREEBUSY  ???  END:VFREEBUSY (If your fhir server provides this information via calDAV, then you may want to include addressing information in a URL section, and with the search, a DTSTART and DTEND component can be included to indicate the range of time that has been covered in the collection of slots, where these overlap the resources period values. For all slots that reference this resource, include a FREEBUSY row for each slot)" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="workflow.scheduling" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.id" />
      <short value="Logical id of this artifact" />
      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes." />
      <comments value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation. Bundles always have an id, though it is usually a generated UUID." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.meta" />
      <short value="Metadata about the resource" />
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.meta" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Meta" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.implicitRules" />
      <short value="A set of rules under which this content was created" />
      <definition value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content." />
      <comments value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element as much as possible." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.implicitRules" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isModifier value="true" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.language" />
      <short value="Language of the resource content" />
      <definition value="The base language in which the resource is written." />
      <comments value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource  Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.language" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <binding>
        <strength value="required" />
        <description value="A human language." />
        <valueSetUri value="http://tools.ietf.org/html/bcp47" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.text" />
      <short value="Text summary of the resource, for human interpretation" />
      <definition value="A human-readable narrative that contains a summary of the resource, and may be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety." />
      <comments value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative." />
      <alias value="narrative" />
      <alias value="html" />
      <alias value="xhtml" />
      <alias value="display" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="DomainResource.text" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Narrative" />
      </type>
      <condition value="ele-1" />
      <condition value="dom-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Act.text?" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.contained" />
      <short value="Contained, inline Resources" />
      <definition value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope." />
      <comments value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again." />
      <alias value="inline resources" />
      <alias value="anonymous resources" />
      <alias value="contained resources" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.contained" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Resource" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="Entity. Role, or Act" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.extension" />
      <slicing>
        <discriminator value="url" />
        <rules value="open" />
      </slicing>
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the resource. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.extension" />
      <name value="practitioner" />
      <short value="Practitioner attached to the schedule" />
      <definition value="Optional Extensions Element - found in all resources." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/extension-gpconnect-practitioner-1" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.modifierExtension" />
      <short value="Extensions that cannot be ignored" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the resource, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isModifier value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier" />
      <name value="Schedule Identifier" />
      <short value="An identifier used to identify the schedule" />
      <definition value="An identifier used to identify the schedule." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Schedule.identifier" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Identifier" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="II - see see identifier pattern at http://wiki.hl7.org/index.php?title=Common_Design_Patterns#Identifier_Pattern for relevant discussion. The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="Identifier" />
      </mapping>
      <mapping>
        <identity value="ical" />
        <map value="UID" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".id" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="id" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.use" />
      <short value="usual | official | temp | secondary (If known)" />
      <definition value="The purpose of this identifier." />
      <comments value="This is labeled as &quot;Is Modifier&quot; because applications should not mistake a temporary id for a permanent one. Applications can assume that an identifier is permanent unless it explicitly says that it is temporary." />
      <requirements value="Allows the appropriate identifier for a particular context of use to be selected from among a set of identifiers." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Identifier.use" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isModifier value="true" />
      <isSummary value="true" />
      <binding>
        <strength value="example" />
        <description value="Identifies the purpose for this identifier, if known ." />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/identifier-use" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Role.code or implied by context" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type" />
      <short value="Description of identifier" />
      <definition value="A coded type for the identifier that can be used to determine which identifier to use for a specific purpose." />
      <comments value="Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type." />
      <requirements value="Allows users to make use of identifiers when the identifier system is not known." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Identifier.type" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <strength value="example" />
        <description value="A coded type for an identifier that can be used to determine which identifier to use for a specific purpose." />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/identifier-type" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX.5" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Role.code or implied by context" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding" />
      <short value="Code defined by a terminology system" />
      <definition value="A reference to a code defined by a terminology system." />
      <comments value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labelled as UserSelected = true." />
      <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="CodeableConcept.coding" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding rdfs:subClassOf dt:CDCoding" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.1-8, C*E.10-22" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="union(., ./translation)" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.system" />
      <short value="Identity of the terminology system" />
      <definition value="The identification of the code system that defines the meaning of the symbol in the code." />
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously." />
      <requirements value="Need to be unambiguous about the source of the definition of the symbol." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystem" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.version" />
      <short value="Version of the system - if relevant" />
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged." />
      <comments value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.7" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystemVersion" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.code" />
      <short value="Symbol in syntax defined by the system" />
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)." />
      <comments value="Note that FHIR strings may not exceed 1MB in size" />
      <requirements value="Need to refer to a particular code in the system." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.code" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./code" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.display" />
      <short value="Representation defined by the system" />
      <definition value="A representation of the meaning of the code in the system, following the rules of the system." />
      <comments value="Note that FHIR strings may not exceed 1MB in size" />
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.2 - but note this is not well followed" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV.displayName" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.coding.userSelected" />
      <short value="If this coding was chosen directly by the user" />
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)." />
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely." />
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.userSelected" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="Sometimes implied by being first" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD.codingRationale" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.type.text" />
      <short value="Plain text representation of the concept" />
      <definition value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user." />
      <comments value="Very often the text is the same as a displayName of one of the codings." />
      <requirements value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="CodeableConcept.text" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.9. But note many systems use C*E.2 for this" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./originalText[mediaType/code=&quot;text/plain&quot;]/data" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.system" />
      <short value="The namespace for the identifier" />
      <definition value="Establishes the namespace in which set of possible id values is unique." />
      <comments value="A local identifiers used to identify the appointment schedule" />
      <requirements value="There are many sequences of identifiers.  To perform matching, we need to know what sequence we're dealing with. The system identifies a particular sequence or set of unique identifiers." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Identifier.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <exampleUri value="https://fhir.nhs.uk/Id/gpconnect-schedule-identifier" />
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX.4 / EI-2-4" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="II.root or Role.id.root" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./IdentifierType" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.value" />
      <short value="The value that is unique" />
      <definition value="The portion of the identifier typically displayed to the user and which is unique within the context of the system." />
      <comments value="If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Identifier.value" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <exampleString value="Schedule001" />
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX.1 / EI.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./Value" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.period" />
      <short value="Time period when id is/was valid for use" />
      <definition value="Time period during which identifier is/was valid for use." />
      <comments value="This is not a duration - that's a measure of time (a separate type), but a duration that occurs at a fixed value of time. A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. &quot;the patient was an inpatient of the hospital for this time range&quot;) or one value from the range applies (e.g. &quot;give to the patient between these two times&quot;). If duration is required, specify the type as Interval|Duration." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Identifier.period" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="start.empty() or end.empty() or (start &lt;= end)" />
        </extension>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <xpath value="not(exists(f:start)) or not(exists(f:end)) or (f:start/@value &lt;= f:end/@value)" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX.7 + CX.8" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Role.effectiveTime or implied by context" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./StartDate and ./EndDate" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.period.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.period.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.period.start" />
      <short value="Starting time with inclusive boundary" />
      <definition value="The start of the period. The boundary is inclusive." />
      <comments value="If the low element is missing, the meaning is that the low boundary is not known." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.start" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <condition value="ele-1" />
      <condition value="per-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./low" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.period.end" />
      <short value="End time with inclusive boundary, if not ongoing" />
      <definition value="The end of the period. If the end of the period is missing, it means that the period is ongoing. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time." />
      <comments value="The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has a end value of 2012-02-03." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.end" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <meaningWhenMissing value="If the end of the period is missing, it means that the period is ongoing" />
      <condition value="ele-1" />
      <condition value="per-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR.2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./high" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.assigner" />
      <short value="Organization that issued id (may be just text)" />
      <definition value="Organization that issued/manages the identifier." />
      <comments value="The reference may be just a text description of the assigner." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Identifier.assigner" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/CareConnect-GPC-Organization-1" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))" />
        </extension>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a local reference if the resource is provided inline" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX.4 / (CX.4,CX.9,CX.10)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="II.assigningAuthorityName but note that this is an improper use by the definition of the field.  Also Role.scoper" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./IdentifierIssuingAuthority" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.assigner.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.assigner.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.assigner.reference" />
      <short value="Relative, internal or absolute URL reference" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <condition value="ref-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.identifier.assigner.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type" />
      <short value="Type of appointment schedule" />
      <definition value="This is the type of appointment schedule" />
      <comments value="This will be the session type (routine surgery, asthma clinic, minor surgery, group counselling etc)" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Schedule.type" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <strength value="preferred" />
        <description value="Additional details about where the content was created (e.g. clinical specialty)" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/c80-practice-codes" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="ical" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="class" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding" />
      <short value="A code taken from the clinical specialty list of codes" />
      <definition value="A code taken from the clinical specialty list of codes." />
      <comments value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the V3 Core Principles for more information.  Ordering of codings is undefined and SHALL not be used to infer meaning." />
      <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="CodeableConcept.coding" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding rdfs:subClassOf dt:CDCoding" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.1-8, C*E.10-22" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="union(., ./translation)" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.system" />
      <short value="Identity of the terminology system" />
      <definition value="The identification of the code system that defines the meaning of the symbol in the code." />
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously." />
      <requirements value="Need to be unambiguous about the source of the definition of the symbol." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/ValueSet/c80-practice-codes" />
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystem" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.version" />
      <short value="Version of the system - if relevant" />
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged." />
      <comments value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Coding.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.7" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystemVersion" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.code" />
      <short value="Symbol in syntax defined by the system" />
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)." />
      <comments value="A code selected from the Schedule Type value set." />
      <requirements value="Need to refer to a particular code in the system." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.code" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <exampleCode value="394733009" />
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./code" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.display" />
      <short value="Representation defined by the system" />
      <definition value="A representation of the meaning of the code in the system, following the rules of the system." />
      <comments value="The display name for the code selected from the Schedule Type value set." />
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <exampleString value="Medical specialty--OTHER--NOT LISTED" />
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.2 - but note this is not well followed" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV.displayName" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.coding.userSelected" />
      <short value="If this coding was chosen directly by the user" />
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)." />
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely." />
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Coding.userSelected" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="Sometimes implied by being first" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD.codingRationale" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.type.text" />
      <short value="Plain text representation of the concept" />
      <definition value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user." />
      <comments value="Very often the text is the same as a displayName of one of the codings." />
      <requirements value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="CodeableConcept.text" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="C*E.9. But note many systems use C*E.2 for this" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./originalText[mediaType/code=&quot;text/plain&quot;]/data" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.actor" />
      <short value="The Location resource this Schedule resource is providing availability information for. " />
      <definition value="The Location resource this Schedule resource is providing availability information for. " />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Schedule.actor" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/CareConnect-GPC-Location-1" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %resource.contained.id.trace('ids'))" />
        </extension>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a local reference if the resource is provided inline" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="ical" />
        <map value="ATTENDEE:MAILTO:john_public@host2.com This can be populated with a value from the referenced resource" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="who.focus" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.planningHorizon" />
      <short value="This is the period of the appointment schedule" />
      <definition value="This is the period of the appointment schedule." />
      <comments value="For example this could be from 9am to 5pm daily each week (including the weekend)." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Schedule.planningHorizon" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="start.empty() or end.empty() or (start &lt;= end)" />
        </extension>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <xpath value="not(exists(f:start)) or not(exists(f:end)) or (f:start/@value &lt;= f:end/@value)" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
      <mapping>
        <identity value="ical" />
        <map value="DTSTART:20131201T003000Z DTEND:2014030101T003000Z" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="when.planned" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.planningHorizon.id" />
      <short value="xml:id (or equivalent in JSON)" />
      <definition value="unique id for the element within a resource (for internal references)." />
      <comments value="RFC 4122" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.planningHorizon.extension" />
      <short value="Additional Content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.planningHorizon.start" />
      <short value="Starting time with inclusive boundary" />
      <definition value="The start of the period. The boundary is inclusive." />
      <comments value="If the low element is missing, the meaning is that the low boundary is not known." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Period.start" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <condition value="ele-1" />
      <condition value="per-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./low" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.planningHorizon.end" />
      <short value="End time with inclusive boundary, if not ongoing" />
      <definition value="The end of the period. If the end of the period is missing, it means that the period is ongoing. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time." />
      <comments value="The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has a end value of 2012-02-03." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.end" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <meaningWhenMissing value="If the end of the period is missing, it means that the period is ongoing" />
      <condition value="ele-1" />
      <condition value="per-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR.2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./high" />
      </mapping>
    </element>
    <element>
      <path value="Schedule.comment" />
      <short value="Comments on the availability to describe any extended information. Such as custom constraints on the slot(s) that may be associated" />
      <definition value="Comments on the availability to describe any extended information. Such as custom constraints on the slot(s) that may be associated." />
      <comments value="Any appointment schedule notes" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Schedule.comment" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <exampleString value="This schedule is for out of hours GP appointments at Bridge Street Medical Practice." />
      <condition value="ele-1" />
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="children()" />
        </extension>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <xpath value="@value|f:*|h:div" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="ical" />
        <map value="COMMENT:(comment) If there is no comment, then the line can be excluded from the iCalendar entry" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Schedule" />
      <short value="The Schedule resource provides a container for time-slots that can be booked using an appointment" />
      <definition value="A schedule for appointment slots that can be booked." />
      <min value="1" />
      <max value="1" />
    </element>
    <element>
      <path value="Schedule.extension" />
      <slicing>
        <discriminator value="url" />
        <rules value="open" />
      </slicing>
    </element>
    <element>
      <path value="Schedule.extension" />
      <name value="practitioner" />
      <short value="Practitioner attached to the schedule" />
      <definition value="Optional Extensions Element - found in all resources." />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/extension-gpconnect-practitioner-1" />
      </type>
    </element>
    <element>
      <path value="Schedule.identifier" />
      <name value="Schedule Identifier" />
      <short value="An identifier used to identify the schedule" />
      <definition value="An identifier used to identify the schedule." />
    </element>
    <element>
      <path value="Schedule.identifier.use" />
      <max value="0" />
      <binding>
        <strength value="example" />
      </binding>
    </element>
    <element>
      <path value="Schedule.identifier.type" />
      <comments value="Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type." />
      <max value="0" />
      <binding>
        <strength value="example" />
      </binding>
    </element>
    <element>
      <path value="Schedule.identifier.system" />
      <comments value="A local identifiers used to identify the appointment schedule" />
      <exampleUri value="https://fhir.nhs.uk/Id/gpconnect-schedule-identifier" />
    </element>
    <element>
      <path value="Schedule.identifier.value" />
      <min value="1" />
      <exampleString value="Schedule001" />
    </element>
    <element>
      <path value="Schedule.identifier.period" />
      <max value="0" />
    </element>
    <element>
      <path value="Schedule.identifier.assigner" />
      <max value="0" />
      <type>
        <code value="Reference" />
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/CareConnect-GPC-Organization-1" />
      </type>
    </element>
    <element>
      <path value="Schedule.type" />
      <short value="Type of appointment schedule" />
      <definition value="This is the type of appointment schedule" />
      <comments value="This will be the session type (routine surgery, asthma clinic, minor surgery, group counselling etc)" />
      <max value="1" />
    </element>
    <element>
      <path value="Schedule.type.coding" />
      <short value="A code taken from the clinical specialty list of codes" />
      <definition value="A code taken from the clinical specialty list of codes." />
      <comments value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the V3 Core Principles for more information.  Ordering of codings is undefined and SHALL not be used to infer meaning." />
      <max value="0" />
    </element>
    <element>
      <path value="Schedule.type.coding.system" />
      <min value="1" />
      <fixedUri value="http://hl7.org/fhir/ValueSet/c80-practice-codes" />
    </element>
    <element>
      <path value="Schedule.type.coding.version" />
      <max value="0" />
    </element>
    <element>
      <path value="Schedule.type.coding.code" />
      <comments value="A code selected from the Schedule Type value set." />
      <min value="1" />
      <exampleCode value="394733009" />
    </element>
    <element>
      <path value="Schedule.type.coding.display" />
      <comments value="The display name for the code selected from the Schedule Type value set." />
      <min value="1" />
      <exampleString value="Medical specialty--OTHER--NOT LISTED" />
    </element>
    <element>
      <path value="Schedule.type.coding.userSelected" />
      <max value="0" />
    </element>
    <element>
      <path value="Schedule.actor" />
      <short value="The Location resource this Schedule resource is providing availability information for. " />
      <definition value="The Location resource this Schedule resource is providing availability information for. " />
      <type>
        <code value="Reference" />
        <profile value="https://fhir.nhs.uk/StructureDefinition/CareConnect-GPC-Location-1" />
      </type>
    </element>
    <element>
      <path value="Schedule.planningHorizon" />
      <short value="This is the period of the appointment schedule" />
      <definition value="This is the period of the appointment schedule." />
      <comments value="For example this could be from 9am to 5pm daily each week (including the weekend)." />
    </element>
    <element>
      <path value="Schedule.planningHorizon.start" />
      <min value="1" />
    </element>
    <element>
      <path value="Schedule.comment" />
      <comments value="Any appointment schedule notes" />
      <exampleString value="This schedule is for out of hours GP appointments at Bridge Street Medical Practice." />
    </element>
  </differential>
</StructureDefinition>