WOF Connect, published by Service Well AB. This guide is not an authorized publication; it is the continuous build for version 0.1.4 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/servicewell/servicewell.fhir.wof-connect/ and changes regularly. See the Directory of published versions
| Official URL: http://canonical.fhir.link/servicewell/wof-connect/StructureDefinition/extraction-base | Version: 0.1.4 | |||
| Draft as of 2026-04-15 | Computable Name: ExtractionBase | |||
Standard base data (meta and data wrapper) captured with each extraction.
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..* | Base | Extraction Base (Extract Model) | |
![]() ![]() |
1..1 | BackboneElement | Standard metadata captured with each extraction. | |
![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() |
1..1 | string | Unique identifier for the HTTP request | |
![]() ![]() ![]() |
1..1 | dateTime | UTC timestamp when data was extracted. Example Extraction timestamp: 2025-10-31T13:42:00Z | |
![]() ![]() ![]() |
1..1 | string | Source system identifier (frenda | opus). Example Source system: frenda | |
![]() ![]() ![]() |
1..1 | string | Source system version (database or API version). Example Source system version: 1.7.23 | |
![]() ![]() ![]() |
0..* | BackboneElement | FHIR query parameters from the request (name/value pairs). | |
![]() ![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() |
0..0 | Extensions are not allowed on query parameter rows. Slice: Unordered, Open by value:url | ||
![]() ![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() ![]() |
1..1 | string | Name of the query parameter. | |
![]() ![]() ![]() ![]() |
1..1 | string | Query string parameters from the FHIR request (everything after ?). Example FHIR query parameters for GET /fhir/Organization/1234?_pretty=true&_format=json: _pretty=true&_format=json | |
![]() ![]() ![]() |
0..1 | string | The optional remaining path segment after the FHIR resource type. Example Resource sub-path for GET /fhir/Organization/1234: /1234 | |
![]() ![]() ![]() |
0..1 | string | The interaction level of the FLC operation (resource | instance). Example Interaction level: instance | |
![]() ![]() |
1..1 | BackboneElement | Wrapper for data. | |
Documentation for this format | ||||
| 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()
|
This structure is derived from Base
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..* | Base | Extraction Base (Extract Model) | |
![]() ![]() |
1..1 | BackboneElement | Standard metadata captured with each extraction. | |
![]() ![]() ![]() |
1..1 | string | Unique identifier for the HTTP request | |
![]() ![]() ![]() |
1..1 | dateTime | UTC timestamp when data was extracted. Example Extraction timestamp: 2025-10-31T13:42:00Z | |
![]() ![]() ![]() |
1..1 | string | Source system identifier (frenda | opus). Example Source system: frenda | |
![]() ![]() ![]() |
1..1 | string | Source system version (database or API version). Example Source system version: 1.7.23 | |
![]() ![]() ![]() |
0..* | BackboneElement | FHIR query parameters from the request (name/value pairs). | |
![]() ![]() ![]() ![]() |
1..1 | string | Name of the query parameter. | |
![]() ![]() ![]() ![]() |
1..1 | string | Query string parameters from the FHIR request (everything after ?). Example FHIR query parameters for GET /fhir/Organization/1234?_pretty=true&_format=json: _pretty=true&_format=json | |
![]() ![]() ![]() ![]() |
0..0 | Extensions are not allowed on query parameter rows. | ||
![]() ![]() ![]() |
0..1 | string | The optional remaining path segment after the FHIR resource type. Example Resource sub-path for GET /fhir/Organization/1234: /1234 | |
![]() ![]() ![]() |
0..1 | string | The interaction level of the FLC operation (resource | instance). Example Interaction level: instance | |
![]() ![]() ![]() |
0..0 | Extensions are not allowed in extraction metadata. | ||
![]() ![]() |
1..1 | BackboneElement | Wrapper for data. | |
Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..* | Base | Extraction Base (Extract Model) | |
![]() ![]() |
1..1 | BackboneElement | Standard metadata captured with each extraction. | |
![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() |
1..1 | string | Unique identifier for the HTTP request | |
![]() ![]() ![]() |
1..1 | dateTime | UTC timestamp when data was extracted. Example Extraction timestamp: 2025-10-31T13:42:00Z | |
![]() ![]() ![]() |
1..1 | string | Source system identifier (frenda | opus). Example Source system: frenda | |
![]() ![]() ![]() |
1..1 | string | Source system version (database or API version). Example Source system version: 1.7.23 | |
![]() ![]() ![]() |
0..* | BackboneElement | FHIR query parameters from the request (name/value pairs). | |
![]() ![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() |
0..0 | Extensions are not allowed on query parameter rows. Slice: Unordered, Open by value:url | ||
![]() ![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() ![]() |
1..1 | string | Name of the query parameter. | |
![]() ![]() ![]() ![]() |
1..1 | string | Query string parameters from the FHIR request (everything after ?). Example FHIR query parameters for GET /fhir/Organization/1234?_pretty=true&_format=json: _pretty=true&_format=json | |
![]() ![]() ![]() |
0..1 | string | The optional remaining path segment after the FHIR resource type. Example Resource sub-path for GET /fhir/Organization/1234: /1234 | |
![]() ![]() ![]() |
0..1 | string | The interaction level of the FLC operation (resource | instance). Example Interaction level: instance | |
![]() ![]() |
1..1 | BackboneElement | Wrapper for data. | |
Documentation for this format | ||||
| 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()
|
This structure is derived from Base
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..* | Base | Extraction Base (Extract Model) | |
![]() ![]() |
1..1 | BackboneElement | Standard metadata captured with each extraction. | |
![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() |
1..1 | string | Unique identifier for the HTTP request | |
![]() ![]() ![]() |
1..1 | dateTime | UTC timestamp when data was extracted. Example Extraction timestamp: 2025-10-31T13:42:00Z | |
![]() ![]() ![]() |
1..1 | string | Source system identifier (frenda | opus). Example Source system: frenda | |
![]() ![]() ![]() |
1..1 | string | Source system version (database or API version). Example Source system version: 1.7.23 | |
![]() ![]() ![]() |
0..* | BackboneElement | FHIR query parameters from the request (name/value pairs). | |
![]() ![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() |
0..0 | Extensions are not allowed on query parameter rows. Slice: Unordered, Open by value:url | ||
![]() ![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() ![]() |
1..1 | string | Name of the query parameter. | |
![]() ![]() ![]() ![]() |
1..1 | string | Query string parameters from the FHIR request (everything after ?). Example FHIR query parameters for GET /fhir/Organization/1234?_pretty=true&_format=json: _pretty=true&_format=json | |
![]() ![]() ![]() |
0..1 | string | The optional remaining path segment after the FHIR resource type. Example Resource sub-path for GET /fhir/Organization/1234: /1234 | |
![]() ![]() ![]() |
0..1 | string | The interaction level of the FLC operation (resource | instance). Example Interaction level: instance | |
![]() ![]() |
1..1 | BackboneElement | Wrapper for data. | |
Documentation for this format | ||||
| 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()
|
Differential View
This structure is derived from Base
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..* | Base | Extraction Base (Extract Model) | |
![]() ![]() |
1..1 | BackboneElement | Standard metadata captured with each extraction. | |
![]() ![]() ![]() |
1..1 | string | Unique identifier for the HTTP request | |
![]() ![]() ![]() |
1..1 | dateTime | UTC timestamp when data was extracted. Example Extraction timestamp: 2025-10-31T13:42:00Z | |
![]() ![]() ![]() |
1..1 | string | Source system identifier (frenda | opus). Example Source system: frenda | |
![]() ![]() ![]() |
1..1 | string | Source system version (database or API version). Example Source system version: 1.7.23 | |
![]() ![]() ![]() |
0..* | BackboneElement | FHIR query parameters from the request (name/value pairs). | |
![]() ![]() ![]() ![]() |
1..1 | string | Name of the query parameter. | |
![]() ![]() ![]() ![]() |
1..1 | string | Query string parameters from the FHIR request (everything after ?). Example FHIR query parameters for GET /fhir/Organization/1234?_pretty=true&_format=json: _pretty=true&_format=json | |
![]() ![]() ![]() ![]() |
0..0 | Extensions are not allowed on query parameter rows. | ||
![]() ![]() ![]() |
0..1 | string | The optional remaining path segment after the FHIR resource type. Example Resource sub-path for GET /fhir/Organization/1234: /1234 | |
![]() ![]() ![]() |
0..1 | string | The interaction level of the FLC operation (resource | instance). Example Interaction level: instance | |
![]() ![]() ![]() |
0..0 | Extensions are not allowed in extraction metadata. | ||
![]() ![]() |
1..1 | BackboneElement | Wrapper for data. | |
Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..* | Base | Extraction Base (Extract Model) | |
![]() ![]() |
1..1 | BackboneElement | Standard metadata captured with each extraction. | |
![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() |
1..1 | string | Unique identifier for the HTTP request | |
![]() ![]() ![]() |
1..1 | dateTime | UTC timestamp when data was extracted. Example Extraction timestamp: 2025-10-31T13:42:00Z | |
![]() ![]() ![]() |
1..1 | string | Source system identifier (frenda | opus). Example Source system: frenda | |
![]() ![]() ![]() |
1..1 | string | Source system version (database or API version). Example Source system version: 1.7.23 | |
![]() ![]() ![]() |
0..* | BackboneElement | FHIR query parameters from the request (name/value pairs). | |
![]() ![]() ![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() |
0..0 | Extensions are not allowed on query parameter rows. Slice: Unordered, Open by value:url | ||
![]() ![]() ![]() ![]() |
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |
![]() ![]() ![]() ![]() |
1..1 | string | Name of the query parameter. | |
![]() ![]() ![]() ![]() |
1..1 | string | Query string parameters from the FHIR request (everything after ?). Example FHIR query parameters for GET /fhir/Organization/1234?_pretty=true&_format=json: _pretty=true&_format=json | |
![]() ![]() ![]() |
0..1 | string | The optional remaining path segment after the FHIR resource type. Example Resource sub-path for GET /fhir/Organization/1234: /1234 | |
![]() ![]() ![]() |
0..1 | string | The interaction level of the FLC operation (resource | instance). Example Interaction level: instance | |
![]() ![]() |
1..1 | BackboneElement | Wrapper for data. | |
Documentation for this format | ||||
| 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()
|
This structure is derived from Base