Nationality

⚠️ This pertains to the patient's nationality.

Resource content

These are different views on this resource:

This is the tree view:
id0..1string
id0..1string
extensionI0..0Extension
url1..1uriFixed Value
valueCodeableConceptCodeableConcept
id0..1string
extensionI0..0Extension
url1..1uriFixed Value
valuePeriodPeriod
url1..1uriFixed Value
This is the detailed view:
Extension
DefinitionThe nationality of the patient.
Cardinality0...*
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
  • ext-1: Must have either extensions or value[x], not both
    extension.exists() != value.exists()
Mappings
  • rim: n/a
  • rim: N/A
Extension.id
DefinitionUnique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Cardinality0...1
Typestring
Mappings
  • rim: n/a
Extension.extension
DefinitionMay be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Cardinality0...*
TypeExtension
Aliasextensions, user content
Comments

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.

SlicingUnordered, Open, by url(Value)
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
  • ext-1: Must have either extensions or value[x], not both
    extension.exists() != value.exists()
Mappings
  • rim: n/a
Extension.extension:code
DefinitionCode representing nationality of patient.
Cardinality0...1
TypeExtension
Aliasextensions, user content
Comments

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.

Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
  • ext-1: Must have either extensions or value[x], not both
    extension.exists() != value.exists()
Mappings
  • rim: n/a
Extension.extension:code.id
DefinitionUnique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Cardinality0...1
Typestring
Mappings
  • rim: n/a
Extension.extension:code.extension
DefinitionMay be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Cardinality0...0
TypeExtension
Aliasextensions, user content
Comments

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.

SlicingUnordered, Open, by url(Value)
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
  • ext-1: Must have either extensions or value[x], not both
    extension.exists() != value.exists()
Mappings
  • rim: n/a
Extension.extension:code.url
DefinitionSource of the definition for the extension code - a logical name or a URL.
Cardinality1...1
Typeuri
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Value

code

Mappings
  • rim: N/A
Extension.extension:code.value[x]
DefinitionValue of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).
Cardinality1...1
TypeCodeableConcept
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
Mappings
  • rim: N/A
Extension.extension:period
DefinitionPeriod when nationality was effective.
Cardinality0...1
TypeExtension
Aliasextensions, user content
Comments

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.

Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
  • ext-1: Must have either extensions or value[x], not both
    extension.exists() != value.exists()
Mappings
  • rim: n/a
Extension.extension:period.id
DefinitionUnique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
Cardinality0...1
Typestring
Mappings
  • rim: n/a
Extension.extension:period.extension
DefinitionMay be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
Cardinality0...0
TypeExtension
Aliasextensions, user content
Comments

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.

SlicingUnordered, Open, by url(Value)
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
  • ext-1: Must have either extensions or value[x], not both
    extension.exists() != value.exists()
Mappings
  • rim: n/a
Extension.extension:period.url
DefinitionSource of the definition for the extension code - a logical name or a URL.
Cardinality1...1
Typeuri
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Value

period

Mappings
  • rim: N/A
Extension.extension:period.value[x]
DefinitionValue of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).
Cardinality1...1
TypePeriod
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
Mappings
  • rim: N/A
Extension.url
DefinitionSource of the definition for the extension code - a logical name or a URL.
Cardinality1...1
Typeuri
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Value

http://hl7.org/fhir/StructureDefinition/patient-nationality

Mappings
  • rim: N/A
Extension.value[x]
DefinitionValue of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).
Cardinality0...0
Typebase64Binary
Invariants
  • ele-1: All FHIR elements must have a @value or children
    hasValue() or (children().count() > id.count())
Mappings
  • rim: N/A
This is the resource in XML:
<StructureDefinition xmlns="http://hl7.org/fhir">
    <id value="patient-nationality" />
    <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
        <valueCode value="pa" />
    </extension>
    <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
        <valueInteger value="1" />
    </extension>
    <url value="http://hl7.org/fhir/StructureDefinition/patient-nationality" />
    <version value="4.0.1" />
    <name value="nationality" />
    <title value="nationality" />
    <status value="draft" />
    <date value="2019-11-01T09:29:23+11:00" />
    <publisher value="HL7" />
    <description value="The nationality of the patient." />
    <fhirVersion value="4.0.1" />
    <mapping>
        <identity value="rim" />
        <uri value="http://hl7.org/v3" />
        <name value="RIM Mapping" />
    </mapping>
    <kind value="complex-type" />
    <abstract value="false" />
    <context>
        <type value="element" />
        <expression value="Patient" />
    </context>
    <type value="Extension" />
    <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
    <derivation value="constraint" />
    <snapshot>
        <element id="Extension">
            <path value="Extension" />
            <short value="Nationality" />
            <definition value="The nationality of the patient." />
            <min value="0" />
            <max value="*" />
            <base>
                <path value="Extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <condition value="ele-1" />
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &#39;value&#39;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="false" />
        </element>
        <element id="Extension.id">
            <path value="Extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension">
            <path value="Extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) 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 element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
            <comment 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>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:code">
            <path value="Extension.extension" />
            <sliceName value="code" />
            <short value="Nationality Code" />
            <definition value="Code representing nationality of patient." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
        </element>
        <element id="Extension.extension:code.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:code.extension">
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Extension" />
            <definition value="An Extension" />
            <min value="0" />
            <max value="0" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
        </element>
        <element id="Extension.extension:code.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <code value="uri" />
            </type>
            <fixedUri value="code" />
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:code.value[x]">
            <path value="Extension.extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="CodeableConcept" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:period">
            <path value="Extension.extension" />
            <sliceName value="period" />
            <short value="Nationality Period" />
            <definition value="Period when nationality was effective." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
        </element>
        <element id="Extension.extension:period.id">
            <path value="Extension.extension.id" />
            <representation value="xmlAttr" />
            <short value="Unique id for inter-element referencing" />
            <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
            <min value="0" />
            <max value="1" />
            <base>
                <path value="Element.id" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="string" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="n/a" />
            </mapping>
        </element>
        <element id="Extension.extension:period.extension">
            <path value="Extension.extension.extension" />
            <slicing>
                <discriminator>
                    <type value="value" />
                    <path value="url" />
                </discriminator>
                <description value="Extensions are always sliced by (at least) url" />
                <rules value="open" />
            </slicing>
            <short value="Extension" />
            <definition value="An Extension" />
            <min value="0" />
            <max value="0" />
            <base>
                <path value="Element.extension" />
                <min value="0" />
                <max value="*" />
            </base>
            <type>
                <code value="Extension" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <constraint>
                <key value="ext-1" />
                <severity value="error" />
                <human value="Must have either extensions or value[x], not both" />
                <expression value="extension.exists() != value.exists()" />
                <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])" />
                <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
        </element>
        <element id="Extension.extension:period.url">
            <path value="Extension.extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <code value="uri" />
            </type>
            <fixedUri value="period" />
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.extension:period.value[x]">
            <path value="Extension.extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list)." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="Period" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.url">
            <path value="Extension.url" />
            <representation value="xmlAttr" />
            <short value="identifies the meaning of the extension" />
            <definition value="Source of the definition for the extension code - a logical name or a URL." />
            <comment value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." />
            <min value="1" />
            <max value="1" />
            <base>
                <path value="Extension.url" />
                <min value="1" />
                <max value="1" />
            </base>
            <type>
                <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
                    <valueUrl value="uri" />
                </extension>
                <code value="http://hl7.org/fhirpath/System.String" />
            </type>
            <fixedUri value="http://hl7.org/fhir/StructureDefinition/patient-nationality" />
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
        <element id="Extension.value[x]">
            <path value="Extension.value[x]" />
            <short value="Value of extension" />
            <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list)." />
            <min value="0" />
            <max value="0" />
            <base>
                <path value="Extension.value[x]" />
                <min value="0" />
                <max value="1" />
            </base>
            <type>
                <code value="base64Binary" />
            </type>
            <type>
                <code value="boolean" />
            </type>
            <type>
                <code value="canonical" />
            </type>
            <type>
                <code value="code" />
            </type>
            <type>
                <code value="date" />
            </type>
            <type>
                <code value="dateTime" />
            </type>
            <type>
                <code value="decimal" />
            </type>
            <type>
                <code value="id" />
            </type>
            <type>
                <code value="instant" />
            </type>
            <type>
                <code value="integer" />
            </type>
            <type>
                <code value="markdown" />
            </type>
            <type>
                <code value="oid" />
            </type>
            <type>
                <code value="positiveInt" />
            </type>
            <type>
                <code value="string" />
            </type>
            <type>
                <code value="time" />
            </type>
            <type>
                <code value="unsignedInt" />
            </type>
            <type>
                <code value="uri" />
            </type>
            <type>
                <code value="url" />
            </type>
            <type>
                <code value="uuid" />
            </type>
            <type>
                <code value="Address" />
            </type>
            <type>
                <code value="Age" />
            </type>
            <type>
                <code value="Annotation" />
            </type>
            <type>
                <code value="Attachment" />
            </type>
            <type>
                <code value="CodeableConcept" />
            </type>
            <type>
                <code value="Coding" />
            </type>
            <type>
                <code value="ContactPoint" />
            </type>
            <type>
                <code value="Count" />
            </type>
            <type>
                <code value="Distance" />
            </type>
            <type>
                <code value="Duration" />
            </type>
            <type>
                <code value="HumanName" />
            </type>
            <type>
                <code value="Identifier" />
            </type>
            <type>
                <code value="Money" />
            </type>
            <type>
                <code value="Period" />
            </type>
            <type>
                <code value="Quantity" />
            </type>
            <type>
                <code value="Range" />
            </type>
            <type>
                <code value="Ratio" />
            </type>
            <type>
                <code value="Reference" />
            </type>
            <type>
                <code value="SampledData" />
            </type>
            <type>
                <code value="Signature" />
            </type>
            <type>
                <code value="Timing" />
            </type>
            <type>
                <code value="ContactDetail" />
            </type>
            <type>
                <code value="Contributor" />
            </type>
            <type>
                <code value="DataRequirement" />
            </type>
            <type>
                <code value="Expression" />
            </type>
            <type>
                <code value="ParameterDefinition" />
            </type>
            <type>
                <code value="RelatedArtifact" />
            </type>
            <type>
                <code value="TriggerDefinition" />
            </type>
            <type>
                <code value="UsageContext" />
            </type>
            <type>
                <code value="Dosage" />
            </type>
            <type>
                <code value="Meta" />
            </type>
            <constraint>
                <key value="ele-1" />
                <severity value="error" />
                <human value="All FHIR elements must have a @value or children" />
                <expression value="hasValue() or (children().count() &gt; id.count())" />
                <xpath value="@value|f:*|h:div" />
                <source value="http://hl7.org/fhir/StructureDefinition/Element" />
            </constraint>
            <isModifier value="false" />
            <isSummary value="false" />
            <mapping>
                <identity value="rim" />
                <map value="N/A" />
            </mapping>
        </element>
    </snapshot>
    <differential>
        <element id="Extension">
            <path value="Extension" />
            <short value="Nationality" />
            <definition value="The nationality of the patient." />
            <min value="0" />
            <max value="*" />
        </element>
        <element id="Extension.extension:code">
            <path value="Extension.extension" />
            <sliceName value="code" />
            <short value="Nationality Code" />
            <definition value="Code representing nationality of patient." />
            <min value="0" />
            <max value="1" />
            <type>
                <code value="Extension" />
            </type>
        </element>
        <element id="Extension.extension:code.extension">
            <path value="Extension.extension.extension" />
            <max value="0" />
        </element>
        <element id="Extension.extension:code.url">
            <path value="Extension.extension.url" />
            <type>
                <code value="uri" />
            </type>
            <fixedUri value="code" />
        </element>
        <element id="Extension.extension:code.value[x]">
            <path value="Extension.extension.value[x]" />
            <min value="1" />
            <type>
                <code value="CodeableConcept" />
            </type>
        </element>
        <element id="Extension.extension:period">
            <path value="Extension.extension" />
            <sliceName value="period" />
            <short value="Nationality Period" />
            <definition value="Period when nationality was effective." />
            <min value="0" />
            <max value="1" />
            <type>
                <code value="Extension" />
            </type>
        </element>
        <element id="Extension.extension:period.extension">
            <path value="Extension.extension.extension" />
            <max value="0" />
        </element>
        <element id="Extension.extension:period.url">
            <path value="Extension.extension.url" />
            <type>
                <code value="uri" />
            </type>
            <fixedUri value="period" />
        </element>
        <element id="Extension.extension:period.value[x]">
            <path value="Extension.extension.value[x]" />
            <min value="1" />
            <type>
                <code value="Period" />
            </type>
        </element>
        <element id="Extension.url">
            <path value="Extension.url" />
            <fixedUri value="http://hl7.org/fhir/StructureDefinition/patient-nationality" />
        </element>
        <element id="Extension.value[x]">
            <path value="Extension.value[x]" />
            <min value="0" />
            <max value="0" />
        </element>
    </differential>
</StructureDefinition>
This is the resource in JSON:
{
    "resourceType": "StructureDefinition",
    "id": "patient-nationality",
    "extension":  [
        {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
            "valueCode": "pa"
        },
        {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
            "valueInteger": 1
        }
    ],
    "url": "http://hl7.org/fhir/StructureDefinition/patient-nationality",
    "version": "4.0.1",
    "name": "nationality",
    "title": "nationality",
    "status": "draft",
    "date": "10/31/2019 22:29:23",
    "publisher": "HL7",
    "description": "The nationality of the patient.",
    "fhirVersion": "4.0.1",
    "mapping":  [
        {
            "identity": "rim",
            "uri": "http://hl7.org/v3",
            "name": "RIM Mapping"
        }
    ],
    "kind": "complex-type",
    "abstract": false,
    "context":  [
        {
            "type": "element",
            "expression": "Patient"
        }
    ],
    "type": "Extension",
    "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
    "derivation": "constraint",
    "snapshot": {
        "element":  [
            {
                "id": "Extension",
                "path": "Extension",
                "short": "Nationality",
                "definition": "The nationality of the patient.",
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Extension",
                    "min": 0,
                    "max": "*"
                },
                "condition":  [
                    "ele-1"
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": false
            },
            {
                "id": "Extension.id",
                "path": "Extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension",
                "path": "Extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Additional content defined by implementations",
                "definition": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
                "comment": "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":  [
                    "extensions",
                    "user content"
                ],
                "min": 0,
                "max": "*",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:code",
                "path": "Extension.extension",
                "sliceName": "code",
                "short": "Nationality Code",
                "definition": "Code representing nationality of patient.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": false,
                "isSummary": false
            },
            {
                "id": "Extension.extension:code.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:code.extension",
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Extension",
                "definition": "An Extension",
                "min": 0,
                "max": "0",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": false,
                "isSummary": false
            },
            {
                "id": "Extension.extension:code.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "uri"
                    }
                ],
                "fixedUri": "code",
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:code.value[x]",
                "path": "Extension.extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:period",
                "path": "Extension.extension",
                "sliceName": "period",
                "short": "Nationality Period",
                "definition": "Period when nationality was effective.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": false,
                "isSummary": false
            },
            {
                "id": "Extension.extension:period.id",
                "path": "Extension.extension.id",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "Unique id for inter-element referencing",
                "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
                "min": 0,
                "max": "1",
                "base": {
                    "path": "Element.id",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "string"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "n/a"
                    }
                ]
            },
            {
                "id": "Extension.extension:period.extension",
                "path": "Extension.extension.extension",
                "slicing": {
                    "discriminator":  [
                        {
                            "type": "value",
                            "path": "url"
                        }
                    ],
                    "description": "Extensions are always sliced by (at least) url",
                    "rules": "open"
                },
                "short": "Extension",
                "definition": "An Extension",
                "min": 0,
                "max": "0",
                "base": {
                    "path": "Element.extension",
                    "min": 0,
                    "max": "*"
                },
                "type":  [
                    {
                        "code": "Extension"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    },
                    {
                        "key": "ext-1",
                        "severity": "error",
                        "human": "Must have either extensions or value[x], not both",
                        "expression": "extension.exists() != value.exists()",
                        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
                        "source": "http://hl7.org/fhir/StructureDefinition/Extension"
                    }
                ],
                "isModifier": false,
                "isSummary": false
            },
            {
                "id": "Extension.extension:period.url",
                "path": "Extension.extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "uri"
                    }
                ],
                "fixedUri": "period",
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.extension:period.value[x]",
                "path": "Extension.extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list).",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "Period"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.url",
                "path": "Extension.url",
                "representation":  [
                    "xmlAttr"
                ],
                "short": "identifies the meaning of the extension",
                "definition": "Source of the definition for the extension code - a logical name or a URL.",
                "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
                "min": 1,
                "max": "1",
                "base": {
                    "path": "Extension.url",
                    "min": 1,
                    "max": "1"
                },
                "type":  [
                    {
                        "extension":  [
                            {
                                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                                "valueUrl": "uri"
                            }
                        ],
                        "code": "http://hl7.org/fhirpath/System.String"
                    }
                ],
                "fixedUri": "http://hl7.org/fhir/StructureDefinition/patient-nationality",
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            },
            {
                "id": "Extension.value[x]",
                "path": "Extension.value[x]",
                "short": "Value of extension",
                "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/extensibility.html) for a list).",
                "min": 0,
                "max": "0",
                "base": {
                    "path": "Extension.value[x]",
                    "min": 0,
                    "max": "1"
                },
                "type":  [
                    {
                        "code": "base64Binary"
                    },
                    {
                        "code": "boolean"
                    },
                    {
                        "code": "canonical"
                    },
                    {
                        "code": "code"
                    },
                    {
                        "code": "date"
                    },
                    {
                        "code": "dateTime"
                    },
                    {
                        "code": "decimal"
                    },
                    {
                        "code": "id"
                    },
                    {
                        "code": "instant"
                    },
                    {
                        "code": "integer"
                    },
                    {
                        "code": "markdown"
                    },
                    {
                        "code": "oid"
                    },
                    {
                        "code": "positiveInt"
                    },
                    {
                        "code": "string"
                    },
                    {
                        "code": "time"
                    },
                    {
                        "code": "unsignedInt"
                    },
                    {
                        "code": "uri"
                    },
                    {
                        "code": "url"
                    },
                    {
                        "code": "uuid"
                    },
                    {
                        "code": "Address"
                    },
                    {
                        "code": "Age"
                    },
                    {
                        "code": "Annotation"
                    },
                    {
                        "code": "Attachment"
                    },
                    {
                        "code": "CodeableConcept"
                    },
                    {
                        "code": "Coding"
                    },
                    {
                        "code": "ContactPoint"
                    },
                    {
                        "code": "Count"
                    },
                    {
                        "code": "Distance"
                    },
                    {
                        "code": "Duration"
                    },
                    {
                        "code": "HumanName"
                    },
                    {
                        "code": "Identifier"
                    },
                    {
                        "code": "Money"
                    },
                    {
                        "code": "Period"
                    },
                    {
                        "code": "Quantity"
                    },
                    {
                        "code": "Range"
                    },
                    {
                        "code": "Ratio"
                    },
                    {
                        "code": "Reference"
                    },
                    {
                        "code": "SampledData"
                    },
                    {
                        "code": "Signature"
                    },
                    {
                        "code": "Timing"
                    },
                    {
                        "code": "ContactDetail"
                    },
                    {
                        "code": "Contributor"
                    },
                    {
                        "code": "DataRequirement"
                    },
                    {
                        "code": "Expression"
                    },
                    {
                        "code": "ParameterDefinition"
                    },
                    {
                        "code": "RelatedArtifact"
                    },
                    {
                        "code": "TriggerDefinition"
                    },
                    {
                        "code": "UsageContext"
                    },
                    {
                        "code": "Dosage"
                    },
                    {
                        "code": "Meta"
                    }
                ],
                "constraint":  [
                    {
                        "key": "ele-1",
                        "severity": "error",
                        "human": "All FHIR elements must have a @value or children",
                        "expression": "hasValue() or (children().count() > id.count())",
                        "xpath": "@value|f:*|h:div",
                        "source": "http://hl7.org/fhir/StructureDefinition/Element"
                    }
                ],
                "isModifier": false,
                "isSummary": false,
                "mapping":  [
                    {
                        "identity": "rim",
                        "map": "N/A"
                    }
                ]
            }
        ]
    },
    "differential": {
        "element":  [
            {
                "id": "Extension",
                "path": "Extension",
                "short": "Nationality",
                "definition": "The nationality of the patient.",
                "min": 0,
                "max": "*"
            },
            {
                "id": "Extension.extension:code",
                "path": "Extension.extension",
                "sliceName": "code",
                "short": "Nationality Code",
                "definition": "Code representing nationality of patient.",
                "min": 0,
                "max": "1",
                "type":  [
                    {
                        "code": "Extension"
                    }
                ]
            },
            {
                "id": "Extension.extension:code.extension",
                "path": "Extension.extension.extension",
                "max": "0"
            },
            {
                "id": "Extension.extension:code.url",
                "path": "Extension.extension.url",
                "type":  [
                    {
                        "code": "uri"
                    }
                ],
                "fixedUri": "code"
            },
            {
                "id": "Extension.extension:code.value[x]",
                "path": "Extension.extension.value[x]",
                "min": 1,
                "type":  [
                    {
                        "code": "CodeableConcept"
                    }
                ]
            },
            {
                "id": "Extension.extension:period",
                "path": "Extension.extension",
                "sliceName": "period",
                "short": "Nationality Period",
                "definition": "Period when nationality was effective.",
                "min": 0,
                "max": "1",
                "type":  [
                    {
                        "code": "Extension"
                    }
                ]
            },
            {
                "id": "Extension.extension:period.extension",
                "path": "Extension.extension.extension",
                "max": "0"
            },
            {
                "id": "Extension.extension:period.url",
                "path": "Extension.extension.url",
                "type":  [
                    {
                        "code": "uri"
                    }
                ],
                "fixedUri": "period"
            },
            {
                "id": "Extension.extension:period.value[x]",
                "path": "Extension.extension.value[x]",
                "min": 1,
                "type":  [
                    {
                        "code": "Period"
                    }
                ]
            },
            {
                "id": "Extension.url",
                "path": "Extension.url",
                "fixedUri": "http://hl7.org/fhir/StructureDefinition/patient-nationality"
            },
            {
                "id": "Extension.value[x]",
                "path": "Extension.value[x]",
                "min": 0,
                "max": "0"
            }
        ]
    }
}