FHIR Tooling Extensions IG
1.1.0 - Release 0.2.0 International flag

FHIR Tooling Extensions IG, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 1.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/FHIR/fhir-tools-ig/ and changes regularly. See the Directory of published versions

Extension: Web Source

Official URL: http://hl7.org/fhir/tools/StructureDefinition/web-source Version: 1.1.0
Standards status: Deprecated Retired as of 2026-03-04 Maturity Level: 4 Computable Name: WebSource
Other Identifiers: OID:2.16.840.1.113883.4.642.40.1.42.43

This extension is for canonical resources to indicate where a human readable web page describing the resource can be found, if it's at a different location to the canonical URL itself. Todo: This might be considered for moving to the core extensions pack

Context of Use

    This extension is deprecated and should no longer be used

    This extension has been replaced by the http://hl7.org/fhir/StructureDefinition/web-source extension in the Extensions Pack

    This extension may be used on the following element(s)

Usage info

Usages:

  • This Extension is not used by any profiles in this Implementation Guide

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension web-source
... extension 0..0 Extension
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/web-source"
... value[x] 1..1 url Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension web-source
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/web-source"

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

Summary

Simple Extension with the type url: This extension is for canonical resources to indicate where a human readable web page describing the resource can be found, if it's at a different location to the canonical URL itself. Todo: This might be considered for moving to the core extensions pack

Maturity: 4

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension web-source
... extension 0..0 Extension
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/web-source"
... value[x] 1..1 url Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension web-source
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/web-source"

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

Summary

Simple Extension with the type url: This extension is for canonical resources to indicate where a human readable web page describing the resource can be found, if it's at a different location to the canonical URL itself. Todo: This might be considered for moving to the core extensions pack

Maturity: 4

 

Other representations of profile: CSV, Excel, Schematron