FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.2.0-ballot 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
Official URL: http://hl7.org/fhir/StructureDefinition/characteristicExpression | Version: 5.2.0-ballot | |||
Standards status: Trial-use | Maturity Level: 2 | Computable Name: CharacteristicExpression | ||
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1557 |
An expression that defines the criteria for group membership. This extension can only be used on a Group resource with a membership of definitional
. When this expression is used, the Group resource cannot have any characteristic elements; this mechanism is exclusive with characteristics. The result of the expression SHALL be boolean-valued. The expression SHALL be parameterized with a %context
variable that represents the subject being tested for membership. If evaluation of the expression results in true
, the subject is considered a member of the group.
Context of Use
This extension may be used on the following element(s):
Usage info
Usage:
Changes since version 1.0.0:
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
Summary
Simple Extension of type Expression: An expression that defines the criteria for group membership. This extension can only be used on a Group resource with a membership of definitional
. When this expression is used, the Group resource cannot have any characteristic elements; this mechanism is exclusive with characteristics. The result of the expression SHALL be boolean-valued. The expression SHALL be parameterized with a %context
variable that represents the subject being tested for membership. If evaluation of the expression results in true
, the subject is considered a member of the group.
Maturity: 2
This structure is derived from Extension
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Extension | 0..1 | Extension | Criteria for group membership | |
extension | 0..0 | |||
url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/characteristicExpression" | |
value[x] | 1..1 | Expression | Value of extension | |
Documentation for this format |
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Extension | 0..1 | Extension | Criteria for group membership | |
id | 0..1 | id | Unique id for inter-element referencing | |
extension | 0..0 | |||
url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/characteristicExpression" | |
value[x] | 1..1 | Expression | Value of extension | |
Documentation for this format |
This structure is derived from Extension
Summary
Simple Extension of type Expression: An expression that defines the criteria for group membership. This extension can only be used on a Group resource with a membership of definitional
. When this expression is used, the Group resource cannot have any characteristic elements; this mechanism is exclusive with characteristics. The result of the expression SHALL be boolean-valued. The expression SHALL be parameterized with a %context
variable that represents the subject being tested for membership. If evaluation of the expression results in true
, the subject is considered a member of the group.
Maturity: 2
Differential View
This structure is derived from Extension
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Extension | 0..1 | Extension | Criteria for group membership | |
extension | 0..0 | |||
url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/characteristicExpression" | |
value[x] | 1..1 | Expression | Value of extension | |
Documentation for this format |
Snapshot View
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Extension | 0..1 | Extension | Criteria for group membership | |
id | 0..1 | id | Unique id for inter-element referencing | |
extension | 0..0 | |||
url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/characteristicExpression" | |
value[x] | 1..1 | Expression | Value of extension | |
Documentation for this format |
Other representations of profile: CSV, Excel, Schematron
Id | Grade | Path(s) | Details | Requirements |
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() |
(none found)