This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2
Modeling and Methodology Work Group | Maturity Level: N/A | Ballot Status: Informative |
Raw XML (canonical form + also see XML Format Specification)
StructureDefinition for instant
<?xml version="1.0" encoding="UTF-8"?> <StructureDefinition xmlns="http://hl7.org/fhir"> <id value="instant"/> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml">to do</div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueString value="Normative"/> </extension> <url value="http://hl7.org/fhir/StructureDefinition/instant"/> <name value="instant"/> <status value="draft"/> <date value="2018-08-19T21:48:56+10:00"/> <publisher value="HL7 FHIR Standard"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <description value="Base StructureDefinition for instant Type: An instant in time - known at least to the second"/> <fhirVersion value="3.5.0"/> <kind value="primitive-type"/> <abstract value="false"/> <type value="instant"/> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element"/> <derivation value="specialization"/> <snapshot> <element id="instant"> <path value="instant"/> <short value="Primitive Type instant"/> <definition value="An instant in time - known at least to the second"/> <comment value="Note: This is intended for where precisely observed times are required, typically system logs etc., and not human-reported times - for them, see date and dateTime (which can be as precise as instant, but is not required to be) below. Time zone is always required"/> <min value="0"/> <max value="*"/> <base> <path value="instant"/> <min value="0"/> <max value="*"/> </base> <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() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="Element"/> </constraint> <isModifier value="false"/> <isSummary value="false"/> </element> <element id="instant.id"> <path value="instant.id"/> <representation value="xmlAttr"/> <short value="xml:id (or equivalent in JSON)"/> <definition value="unique id for the element within a resource (for internal references)"/> <min value="0"/> <max value="1"/> <base> <path value="Element.id"/> <min value="0"/> <max value="1"/> </base> <type> <code value="string"/> </type> <isModifier value="false"/> <isSummary value="false"/> </element> <element id="instant.extension"> <path value="instant.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 resource. 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> <isModifier value="false"/> <isSummary value="false"/> </element> <element id="instant.value"> <path value="instant.value"/> <representation value="xmlAttr"/> <short value="Primitive value for instant"/> <definition value="The actual value"/> <min value="0"/> <max value="1"/> <base> <path value="instant.value"/> <min value="0"/> <max value="1"/> </base> <!-- Note: primitive values do not have an assigned type. e.g. this is compiler magic. XML, JSON and RDF types provided by extension --> <type> <extension url="http://hl7.org/fhir/StructureDefinition/regex"> <valueString value="([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])T([01][ 0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\.[0-9]+)?(Z|(\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00))"/> </extension> <code> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type"> <valueString value="string"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type"> <valueString value="xsd:dateTime"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type"> <valueString value="xsd:dateTime"/> </extension> </code> </type> <isModifier value="false"/> <isSummary value="false"/> </element> </snapshot> <differential> <element id="instant"> <path value="instant"/> <short value="Primitive Type instant"/> <definition value="An instant in time - known at least to the second"/> <comment value="Note: This is intended for where precisely observed times are required, typically system logs etc., and not human-reported times - for them, see date and dateTime (which can be as precise as instant, but is not required to be) below. Time zone is always required"/> <min value="0"/> <max value="*"/> </element> <element id="instant.value"> <path value="instant.value"/> <representation value="xmlAttr"/> <short value="Primitive value for instant"/> <definition value="Primitive value for instant"/> <min value="0"/> <max value="1"/> <!-- Note: primitive values do not have an assigned type. e.g. this is compiler magic. XML, JSON and RDF types provided by extension --> <type> <extension url="http://hl7.org/fhir/StructureDefinition/regex"> <valueString value="([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])T([01][ 0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\.[0-9]+)?(Z|(\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00))"/> </extension> <code> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-json-type"> <valueString value="string"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-xml-type"> <valueString value="xsd:dateTime"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-rdf-type"> <valueString value="xsd:dateTime"/> </extension> </code> </type> </element> </differential> </StructureDefinition>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.