Netherlands - Generic Functions for data exchange Implementation Guide
0.2.0 - ci-build

Netherlands - Generic Functions for data exchange Implementation Guide, published by Stichting Nuts. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/nuts-foundation/nl-generic-functions-ig/ and changes regularly. See the Directory of published versions

## Resource Profile: NL Generic Functions Endpoint Profile ( Experimental )

Official URL: http://nuts-foundation.github.io/nl-generic-functions-ig/StructureDefinition/nl-gf-endpoint | Version: 0.2.0
Draft as of 2025-11-14 | Computable Name: NlGfEndpoint

The technical details of an endpoint that can be used for electronic services, such as for web services providing access to FHIR resources.

Usages:

- Examples for this Profile: FHIR STU3 Endpoint, FHIR Endpoint 2, FHIR Endpoint 3, FHIR Endpoint 1... Show 5 more, FHIR STU3 Endpoint, FHIR R4 Endpoint, FHIR Endpoint 2, DICOM-WADO-RS Endpoint and FHIR Endpoint 1
- CapabilityStatements using this Profile: Administration Directory for Administration Client, Administration Directory for Update Client and Query Directory for Query Client

You can also check for usages in the FHIR IG Statistics

### Formal Views of Profile Content

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

- Key Elements Table
- Differential Table
- Snapshot Table
- Statistics/References
- All

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Endpoint |  | 0..* | Endpoint | The technical details of an endpoint that can be used for electronic services
Slices for identifier | Σ | 1..* | Identifier | Identifies this endpoint across multiple systems Slice: Unordered, Open by value:$this
identifier:fhirUrl | Σ | 1..1 | Identifier | Identifies this endpoint across multiple systems Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
use |  | 0..1 | code | usual | official | temp | secondary | old (If known)
type |  | 0..1 | CodeableConcept | Description of identifier
system |  | 1..1 | uri | The namespace for the identifier value Fixed Value: http://fhir.nl/fhir/NamingSystem/url/fhir
value |  | 0..1 | string | The value that is unique
period |  | 0..1 | Period | Time period when id is/was valid for use
assigner |  | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
status | ?!Σ | 1..1 | code | active | suspended | error | off | entered-in-error | test Binding: EndpointStatus (required): The status of the endpoint.
connectionType | Σ | 1..1 | Coding | Protocol/Profile/Standard to be used with this endpoint connection Binding: EndpointConnectionType (extensible)
managingOrganization | Σ | 1..1 | Reference(Organization) | Organization that manages this endpoint (might not be the organization that exposes the endpoint)
payloadType | Σ | 1..* | CodeableConcept | The type of content that may be used at this endpoint (e.g. XDS Discharge summaries) Binding: NL GF Data exchange capabilities (required)
address | Σ | 1..1 | url | The technical base address for connecting to this endpoint
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Endpoint.status | Base | required | EndpointStatus | 📍4.0.1 | FHIR Std.
Endpoint.connectionType | Base | extensible | Endpoint Connection Type | 📍4.0.1 | FHIR Std.
Endpoint.payloadType | Base | required | NL GF Data exchange capabilities | 📦0.2.0 | This IG

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Endpoint | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Endpoint | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Endpoint | A resource should have narrative for robust management | `text.`div`.exists()`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`

This structure is derived from Endpoint

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Endpoint |  | 0..* | Endpoint | The technical details of an endpoint that can be used for electronic services
implicitRules |  | 0..0 |  | A set of rules under which this content was created
modifierExtension |  | 0..0 |  | Extension
Slices for identifier |  | 1..* | Identifier | Identifies this endpoint across multiple systems Slice: Unordered, Open by value:$this
identifier:fhirUrl |  | 1..1 | Identifier | Identifies this endpoint across multiple systems Required Pattern: At least the following
system |  | 1..1 | uri | The namespace for the identifier value Fixed Value: http://fhir.nl/fhir/NamingSystem/url/fhir
managingOrganization |  | 1..1 | Reference(Organization) | Organization that manages this endpoint (might not be the organization that exposes the endpoint)
payloadType |  | 1..* | CodeableConcept | The type of content that may be used at this endpoint (e.g. XDS Discharge summaries) Binding: NL GF Data exchange capabilities (required)
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Endpoint.payloadType | Base | required | NL GF Data exchange capabilities | 📦0.2.0 | This IG

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Endpoint |  | 0..* | Endpoint | The technical details of an endpoint that can be used for electronic services
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
Slices for identifier | Σ | 1..* | Identifier | Identifies this endpoint across multiple systems Slice: Unordered, Open by value:$this
identifier:fhirUrl | Σ | 1..1 | Identifier | Identifies this endpoint across multiple systems Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
use |  | 0..1 | code | usual | official | temp | secondary | old (If known)
type |  | 0..1 | CodeableConcept | Description of identifier
system |  | 1..1 | uri | The namespace for the identifier value Fixed Value: http://fhir.nl/fhir/NamingSystem/url/fhir
value |  | 0..1 | string | The value that is unique
period |  | 0..1 | Period | Time period when id is/was valid for use
assigner |  | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
status | ?!Σ | 1..1 | code | active | suspended | error | off | entered-in-error | test Binding: EndpointStatus (required): The status of the endpoint.
connectionType | Σ | 1..1 | Coding | Protocol/Profile/Standard to be used with this endpoint connection Binding: EndpointConnectionType (extensible)
name | Σ | 0..1 | string | A name that this endpoint can be identified by
managingOrganization | Σ | 1..1 | Reference(Organization) | Organization that manages this endpoint (might not be the organization that exposes the endpoint)
contact |  | 0..* | ContactPoint | Contact details for source (e.g. troubleshooting)
period | Σ | 0..1 | Period | Interval the endpoint is expected to be operational
payloadType | Σ | 1..* | CodeableConcept | The type of content that may be used at this endpoint (e.g. XDS Discharge summaries) Binding: NL GF Data exchange capabilities (required)
payloadMimeType | Σ | 0..* | code | Mimetype to send. If not specified, the content could be anything (including no payload, if the connectionType defined this) Binding: Mime Types (required): The mime type of an attachment. Any valid mime type is allowed.
address | Σ | 1..1 | url | The technical base address for connecting to this endpoint
header |  | 0..* | string | Usage depends on the channel type
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Endpoint.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Endpoint.status | Base | required | EndpointStatus | 📍4.0.1 | FHIR Std.
Endpoint.connectionType | Base | extensible | Endpoint Connection Type | 📍4.0.1 | FHIR Std.
Endpoint.payloadType | Base | required | NL GF Data exchange capabilities | 📦0.2.0 | This IG
Endpoint.payloadMimeType | Base | required | MimeType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Endpoint | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Endpoint | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Endpoint | A resource should have narrative for robust management | `text.`div`.exists()`
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()`

This structure is derived from Endpoint

Summary

Mandatory: 3 elements
Prohibited: 2 elements

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Endpoint.identifier

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Endpoint |  | 0..* | Endpoint | The technical details of an endpoint that can be used for electronic services
Slices for identifier | Σ | 1..* | Identifier | Identifies this endpoint across multiple systems Slice: Unordered, Open by value:$this
identifier:fhirUrl | Σ | 1..1 | Identifier | Identifies this endpoint across multiple systems Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
use |  | 0..1 | code | usual | official | temp | secondary | old (If known)
type |  | 0..1 | CodeableConcept | Description of identifier
system |  | 1..1 | uri | The namespace for the identifier value Fixed Value: http://fhir.nl/fhir/NamingSystem/url/fhir
value |  | 0..1 | string | The value that is unique
period |  | 0..1 | Period | Time period when id is/was valid for use
assigner |  | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
status | ?!Σ | 1..1 | code | active | suspended | error | off | entered-in-error | test Binding: EndpointStatus (required): The status of the endpoint.
connectionType | Σ | 1..1 | Coding | Protocol/Profile/Standard to be used with this endpoint connection Binding: EndpointConnectionType (extensible)
managingOrganization | Σ | 1..1 | Reference(Organization) | Organization that manages this endpoint (might not be the organization that exposes the endpoint)
payloadType | Σ | 1..* | CodeableConcept | The type of content that may be used at this endpoint (e.g. XDS Discharge summaries) Binding: NL GF Data exchange capabilities (required)
address | Σ | 1..1 | url | The technical base address for connecting to this endpoint
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Endpoint.status | Base | required | EndpointStatus | 📍4.0.1 | FHIR Std.
Endpoint.connectionType | Base | extensible | Endpoint Connection Type | 📍4.0.1 | FHIR Std.
Endpoint.payloadType | Base | required | NL GF Data exchange capabilities | 📦0.2.0 | This IG

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Endpoint | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Endpoint | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Endpoint | A resource should have narrative for robust management | `text.`div`.exists()`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`

Differential View

This structure is derived from Endpoint

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Endpoint |  | 0..* | Endpoint | The technical details of an endpoint that can be used for electronic services
implicitRules |  | 0..0 |  | A set of rules under which this content was created
modifierExtension |  | 0..0 |  | Extension
Slices for identifier |  | 1..* | Identifier | Identifies this endpoint across multiple systems Slice: Unordered, Open by value:$this
identifier:fhirUrl |  | 1..1 | Identifier | Identifies this endpoint across multiple systems Required Pattern: At least the following
system |  | 1..1 | uri | The namespace for the identifier value Fixed Value: http://fhir.nl/fhir/NamingSystem/url/fhir
managingOrganization |  | 1..1 | Reference(Organization) | Organization that manages this endpoint (might not be the organization that exposes the endpoint)
payloadType |  | 1..* | CodeableConcept | The type of content that may be used at this endpoint (e.g. XDS Discharge summaries) Binding: NL GF Data exchange capabilities (required)
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Endpoint.payloadType | Base | required | NL GF Data exchange capabilities | 📦0.2.0 | This IG

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Endpoint |  | 0..* | Endpoint | The technical details of an endpoint that can be used for electronic services
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
Slices for identifier | Σ | 1..* | Identifier | Identifies this endpoint across multiple systems Slice: Unordered, Open by value:$this
identifier:fhirUrl | Σ | 1..1 | Identifier | Identifies this endpoint across multiple systems Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
use |  | 0..1 | code | usual | official | temp | secondary | old (If known)
type |  | 0..1 | CodeableConcept | Description of identifier
system |  | 1..1 | uri | The namespace for the identifier value Fixed Value: http://fhir.nl/fhir/NamingSystem/url/fhir
value |  | 0..1 | string | The value that is unique
period |  | 0..1 | Period | Time period when id is/was valid for use
assigner |  | 0..1 | Reference(Organization) | Organization that issued id (may be just text)
status | ?!Σ | 1..1 | code | active | suspended | error | off | entered-in-error | test Binding: EndpointStatus (required): The status of the endpoint.
connectionType | Σ | 1..1 | Coding | Protocol/Profile/Standard to be used with this endpoint connection Binding: EndpointConnectionType (extensible)
name | Σ | 0..1 | string | A name that this endpoint can be identified by
managingOrganization | Σ | 1..1 | Reference(Organization) | Organization that manages this endpoint (might not be the organization that exposes the endpoint)
contact |  | 0..* | ContactPoint | Contact details for source (e.g. troubleshooting)
period | Σ | 0..1 | Period | Interval the endpoint is expected to be operational
payloadType | Σ | 1..* | CodeableConcept | The type of content that may be used at this endpoint (e.g. XDS Discharge summaries) Binding: NL GF Data exchange capabilities (required)
payloadMimeType | Σ | 0..* | code | Mimetype to send. If not specified, the content could be anything (including no payload, if the connectionType defined this) Binding: Mime Types (required): The mime type of an attachment. Any valid mime type is allowed.
address | Σ | 1..1 | url | The technical base address for connecting to this endpoint
header |  | 0..* | string | Usage depends on the channel type
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Endpoint.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Endpoint.status | Base | required | EndpointStatus | 📍4.0.1 | FHIR Std.
Endpoint.connectionType | Base | extensible | Endpoint Connection Type | 📍4.0.1 | FHIR Std.
Endpoint.payloadType | Base | required | NL GF Data exchange capabilities | 📦0.2.0 | This IG
Endpoint.payloadMimeType | Base | required | MimeType | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Endpoint | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Endpoint | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Endpoint | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Endpoint | A resource should have narrative for robust management | `text.`div`.exists()`
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()`

This structure is derived from Endpoint

Summary

Mandatory: 3 elements
Prohibited: 2 elements

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Endpoint.identifier

Other representations of profile: CSV, Excel, Schematron