FHIR Extensions Pack
5.3.0 - May 2026 International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.3.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

Extension: ImplementationGuide Source File

Official URL: http://hl7.org/fhir/StructureDefinition/implementationguide-sourceFile Version: 5.3.0
Standards status: Trial-use Maturity Level: 2 Computable Name: IGSourceFile
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1372

Identifies files used as part of the the publication process other than resources referenced in definition.resource.

Context of Use

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

Usage info

Usages:

  • This Extension is not used by any profiles in this Specification

You can also check for usages in the FHIR IG Statistics

Changes since version 5.3.0:

  • No changes

    • Formal Views of Extension Content

    Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

    This structure is derived from Extension

    Summary

    Complex Extension: Identifies files used as part of the the publication process other than resources referenced in definition.resource.

    • file: Reference: The location of the file on a server used by the IG publication process
    • location: string: The relative path (with respect to the IG base folder) and name of the file as it should be positioned prior to processing by the IG publisher
    • keepAsResource: boolean: The default behavior if the Reference is to a Media or DocumentReference is for the 'attachment' to be what is persisted in the 'location'. If this flag is set to true, then the referenced resource will be persisted 'as is' - I.e. a Media or DocumentReference.

    Maturity: 2

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..* Extension Additional files used in publication
    Extension.Slices for extension Content/Rules for all slices
    Extension.Slices for extension.extension:file 1..1 Extension Location on server
    Extension.Slices for extension.extension:file.extension 0..0 Extension
    Extension.Slices for extension.extension:file.url 1..1 uri "file"
    Extension.Slices for extension.extension:file.value[x] 1..1 Reference() Value of extension
    Extension.Slices for extension.extension:location 1..1 Extension Path for publisher
    Extension.Slices for extension.extension:location.extension 0..0 Extension
    Extension.Slices for extension.extension:location.url 1..1 uri "location"
    Extension.Slices for extension.extension:location.value[x] 1..1 string Value of extension
    Extension.Slices for extension.extension:keepAsResource 0..1 Extension Use attachment or resource?
    Extension.Slices for extension.extension:keepAsResource.extension 0..0 Extension
    Extension.Slices for extension.extension:keepAsResource.url 1..1 uri "keepAsResource"
    Extension.Slices for extension.extension:keepAsResource.value[x] 1..1 boolean Value of extension
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/implementationguide-sourceFile"
    Extension.value[x] 0..0 Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..* Extension Additional files used in publication
    Extension.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension 2..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    Extension.Slices for extension.extension:file 1..1 Extension Location on server
    Extension.Slices for extension.extension:file.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:file.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:file.url 1..1 uri "file"
    Extension.Slices for extension.extension:file.value[x] 1..1 Reference() Value of extension
    Extension.Slices for extension.extension:location 1..1 Extension Path for publisher
    Extension.Slices for extension.extension:location.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:location.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:location.url 1..1 uri "location"
    Extension.Slices for extension.extension:location.value[x] 1..1 string Value of extension
    Extension.Slices for extension.extension:keepAsResource 0..1 Extension Use attachment or resource?
    Extension.Slices for extension.extension:keepAsResource.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:keepAsResource.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:keepAsResource.url 1..1 uri "keepAsResource"
    Extension.Slices for extension.extension:keepAsResource.value[x] 1..1 boolean Value of extension
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/implementationguide-sourceFile"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Complex Extension: Identifies files used as part of the the publication process other than resources referenced in definition.resource.

    • file: Reference: The location of the file on a server used by the IG publication process
    • location: string: The relative path (with respect to the IG base folder) and name of the file as it should be positioned prior to processing by the IG publisher
    • keepAsResource: boolean: The default behavior if the Reference is to a Media or DocumentReference is for the 'attachment' to be what is persisted in the 'location'. If this flag is set to true, then the referenced resource will be persisted 'as is' - I.e. a Media or DocumentReference.

    Maturity: 2

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..* Extension Additional files used in publication
    Extension.Slices for extension Content/Rules for all slices
    Extension.Slices for extension.extension:file 1..1 Extension Location on server
    Extension.Slices for extension.extension:file.extension 0..0 Extension
    Extension.Slices for extension.extension:file.url 1..1 uri "file"
    Extension.Slices for extension.extension:file.value[x] 1..1 Reference() Value of extension
    Extension.Slices for extension.extension:location 1..1 Extension Path for publisher
    Extension.Slices for extension.extension:location.extension 0..0 Extension
    Extension.Slices for extension.extension:location.url 1..1 uri "location"
    Extension.Slices for extension.extension:location.value[x] 1..1 string Value of extension
    Extension.Slices for extension.extension:keepAsResource 0..1 Extension Use attachment or resource?
    Extension.Slices for extension.extension:keepAsResource.extension 0..0 Extension
    Extension.Slices for extension.extension:keepAsResource.url 1..1 uri "keepAsResource"
    Extension.Slices for extension.extension:keepAsResource.value[x] 1..1 boolean Value of extension
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/implementationguide-sourceFile"
    Extension.value[x] 0..0 Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: doco
    Extension 0..* Extension Additional files used in publication
    Extension.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension 2..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    Extension.Slices for extension.extension:file 1..1 Extension Location on server
    Extension.Slices for extension.extension:file.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:file.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:file.url 1..1 uri "file"
    Extension.Slices for extension.extension:file.value[x] 1..1 Reference() Value of extension
    Extension.Slices for extension.extension:location 1..1 Extension Path for publisher
    Extension.Slices for extension.extension:location.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:location.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:location.url 1..1 uri "location"
    Extension.Slices for extension.extension:location.value[x] 1..1 string Value of extension
    Extension.Slices for extension.extension:keepAsResource 0..1 Extension Use attachment or resource?
    Extension.Slices for extension.extension:keepAsResource.id 0..1 id Unique id for inter-element referencing
    Extension.Slices for extension.extension:keepAsResource.extension 0..0 Extension
    Slice: Unordered, Open by value:url

    Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
    Extension.Slices for extension.extension:keepAsResource.url 1..1 uri "keepAsResource"
    Extension.Slices for extension.extension:keepAsResource.value[x] 1..1 boolean Value of extension
    Extension.url 1..1 uri "http://hl7.org/fhir/StructureDefinition/implementationguide-sourceFile"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    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()

    R4B

    The extension is unchanged in R4B

    R4

    The extension is unchanged in R4

    R3

    The extension is not used in R3

    • There are no valid contexts for this extension

    Search Parameters for this Extension

    (none found)