This page is part of the Quality Measure STU2 for FHIR R4 Implementation Guide (v2.1.0: STU3 Ballot 1) based on FHIR R4. The current version which supercedes this version is 3.0.0. For a full list of available versions, see the Directory of published versions
Specifies a term and its associated definition.
The official URL for this extension is:
http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-definitionTerm
Status: active
Extension maintained by: Clinical Quality Information WG
Context of Use
This extension may be used on the following element(s):
Usage info
Usage:
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
This structure is derived from Extension
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | 0..1 | Extension | Defined term | |
![]() ![]() ![]() | 1..1 | Extension | Term being defined | |
![]() ![]() ![]() ![]() | 1..1 | uri | "term" | |
![]() ![]() ![]() ![]() | 0..1 | string | Value of extension | |
![]() ![]() ![]() | 1..1 | Extension | Definition of the term | |
![]() ![]() ![]() ![]() | 1..1 | uri | "definition" | |
![]() ![]() ![]() ![]() | 0..1 | markdown | Value of extension | |
![]() ![]() ![]() | 1..1 | uri | "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-definitionTerm" | |
![]() ![]() ![]() | 0..0 | |||
![]() |
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | 0..1 | Extension | Defined term | |
![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() | 1..1 | Extension | Term being defined | |
![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 1..1 | uri | identifies the meaning of the extension | |
![]() ![]() ![]() ![]() ![]() | 0..1 | Value of extension | ||
![]() ![]() ![]() ![]() ![]() ![]() | base64Binary | |||
![]() ![]() ![]() ![]() ![]() ![]() | boolean | |||
![]() ![]() ![]() ![]() ![]() ![]() | canonical(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | code | |||
![]() ![]() ![]() ![]() ![]() ![]() | date | |||
![]() ![]() ![]() ![]() ![]() ![]() | dateTime | |||
![]() ![]() ![]() ![]() ![]() ![]() | decimal | |||
![]() ![]() ![]() ![]() ![]() ![]() | id | |||
![]() ![]() ![]() ![]() ![]() ![]() | instant | |||
![]() ![]() ![]() ![]() ![]() ![]() | integer | |||
![]() ![]() ![]() ![]() ![]() ![]() | markdown | |||
![]() ![]() ![]() ![]() ![]() ![]() | oid | |||
![]() ![]() ![]() ![]() ![]() ![]() | positiveInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | string | |||
![]() ![]() ![]() ![]() ![]() ![]() | time | |||
![]() ![]() ![]() ![]() ![]() ![]() | unsignedInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | uri | |||
![]() ![]() ![]() ![]() ![]() ![]() | url | |||
![]() ![]() ![]() ![]() ![]() ![]() | uuid | |||
![]() ![]() ![]() ![]() ![]() ![]() | Address | |||
![]() ![]() ![]() ![]() ![]() ![]() | Age | |||
![]() ![]() ![]() ![]() ![]() ![]() | Annotation | |||
![]() ![]() ![]() ![]() ![]() ![]() | Attachment | |||
![]() ![]() ![]() ![]() ![]() ![]() | CodeableConcept | |||
![]() ![]() ![]() ![]() ![]() ![]() | Coding | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactPoint | |||
![]() ![]() ![]() ![]() ![]() ![]() | Count | |||
![]() ![]() ![]() ![]() ![]() ![]() | Distance | |||
![]() ![]() ![]() ![]() ![]() ![]() | Duration | |||
![]() ![]() ![]() ![]() ![]() ![]() | HumanName | |||
![]() ![]() ![]() ![]() ![]() ![]() | Identifier | |||
![]() ![]() ![]() ![]() ![]() ![]() | Money | |||
![]() ![]() ![]() ![]() ![]() ![]() | Period | |||
![]() ![]() ![]() ![]() ![]() ![]() | Quantity | |||
![]() ![]() ![]() ![]() ![]() ![]() | Range | |||
![]() ![]() ![]() ![]() ![]() ![]() | Ratio | |||
![]() ![]() ![]() ![]() ![]() ![]() | Reference(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | SampledData | |||
![]() ![]() ![]() ![]() ![]() ![]() | Signature | |||
![]() ![]() ![]() ![]() ![]() ![]() | Timing | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactDetail | |||
![]() ![]() ![]() ![]() ![]() ![]() | Contributor | |||
![]() ![]() ![]() ![]() ![]() ![]() | DataRequirement | |||
![]() ![]() ![]() ![]() ![]() ![]() | Expression | |||
![]() ![]() ![]() ![]() ![]() ![]() | ParameterDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | RelatedArtifact | |||
![]() ![]() ![]() ![]() ![]() ![]() | TriggerDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | UsageContext | |||
![]() ![]() ![]() ![]() ![]() ![]() | Dosage | |||
![]() ![]() ![]() ![]() ![]() ![]() | Meta | |||
![]() ![]() ![]() ![]() | 1..1 | uri | "term" | |
![]() ![]() ![]() ![]() | 0..1 | string | Value of extension | |
![]() ![]() ![]() | 1..1 | Extension | Definition of the term | |
![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 1..1 | uri | identifies the meaning of the extension | |
![]() ![]() ![]() ![]() ![]() | 0..1 | Value of extension | ||
![]() ![]() ![]() ![]() ![]() ![]() | base64Binary | |||
![]() ![]() ![]() ![]() ![]() ![]() | boolean | |||
![]() ![]() ![]() ![]() ![]() ![]() | canonical(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | code | |||
![]() ![]() ![]() ![]() ![]() ![]() | date | |||
![]() ![]() ![]() ![]() ![]() ![]() | dateTime | |||
![]() ![]() ![]() ![]() ![]() ![]() | decimal | |||
![]() ![]() ![]() ![]() ![]() ![]() | id | |||
![]() ![]() ![]() ![]() ![]() ![]() | instant | |||
![]() ![]() ![]() ![]() ![]() ![]() | integer | |||
![]() ![]() ![]() ![]() ![]() ![]() | markdown | |||
![]() ![]() ![]() ![]() ![]() ![]() | oid | |||
![]() ![]() ![]() ![]() ![]() ![]() | positiveInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | string | |||
![]() ![]() ![]() ![]() ![]() ![]() | time | |||
![]() ![]() ![]() ![]() ![]() ![]() | unsignedInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | uri | |||
![]() ![]() ![]() ![]() ![]() ![]() | url | |||
![]() ![]() ![]() ![]() ![]() ![]() | uuid | |||
![]() ![]() ![]() ![]() ![]() ![]() | Address | |||
![]() ![]() ![]() ![]() ![]() ![]() | Age | |||
![]() ![]() ![]() ![]() ![]() ![]() | Annotation | |||
![]() ![]() ![]() ![]() ![]() ![]() | Attachment | |||
![]() ![]() ![]() ![]() ![]() ![]() | CodeableConcept | |||
![]() ![]() ![]() ![]() ![]() ![]() | Coding | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactPoint | |||
![]() ![]() ![]() ![]() ![]() ![]() | Count | |||
![]() ![]() ![]() ![]() ![]() ![]() | Distance | |||
![]() ![]() ![]() ![]() ![]() ![]() | Duration | |||
![]() ![]() ![]() ![]() ![]() ![]() | HumanName | |||
![]() ![]() ![]() ![]() ![]() ![]() | Identifier | |||
![]() ![]() ![]() ![]() ![]() ![]() | Money | |||
![]() ![]() ![]() ![]() ![]() ![]() | Period | |||
![]() ![]() ![]() ![]() ![]() ![]() | Quantity | |||
![]() ![]() ![]() ![]() ![]() ![]() | Range | |||
![]() ![]() ![]() ![]() ![]() ![]() | Ratio | |||
![]() ![]() ![]() ![]() ![]() ![]() | Reference(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | SampledData | |||
![]() ![]() ![]() ![]() ![]() ![]() | Signature | |||
![]() ![]() ![]() ![]() ![]() ![]() | Timing | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactDetail | |||
![]() ![]() ![]() ![]() ![]() ![]() | Contributor | |||
![]() ![]() ![]() ![]() ![]() ![]() | DataRequirement | |||
![]() ![]() ![]() ![]() ![]() ![]() | Expression | |||
![]() ![]() ![]() ![]() ![]() ![]() | ParameterDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | RelatedArtifact | |||
![]() ![]() ![]() ![]() ![]() ![]() | TriggerDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | UsageContext | |||
![]() ![]() ![]() ![]() ![]() ![]() | Dosage | |||
![]() ![]() ![]() ![]() ![]() ![]() | Meta | |||
![]() ![]() ![]() ![]() | 1..1 | uri | "definition" | |
![]() ![]() ![]() ![]() | 0..1 | markdown | Value of extension | |
![]() ![]() ![]() | 1..1 | uri | "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-definitionTerm" | |
![]() |
This structure is derived from Extension
Differential View
This structure is derived from Extension
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | 0..1 | Extension | Defined term | |
![]() ![]() ![]() | 1..1 | Extension | Term being defined | |
![]() ![]() ![]() ![]() | 1..1 | uri | "term" | |
![]() ![]() ![]() ![]() | 0..1 | string | Value of extension | |
![]() ![]() ![]() | 1..1 | Extension | Definition of the term | |
![]() ![]() ![]() ![]() | 1..1 | uri | "definition" | |
![]() ![]() ![]() ![]() | 0..1 | markdown | Value of extension | |
![]() ![]() ![]() | 1..1 | uri | "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-definitionTerm" | |
![]() ![]() ![]() | 0..0 | |||
![]() |
Snapshot View
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | 0..1 | Extension | Defined term | |
![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() | 1..1 | Extension | Term being defined | |
![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 1..1 | uri | identifies the meaning of the extension | |
![]() ![]() ![]() ![]() ![]() | 0..1 | Value of extension | ||
![]() ![]() ![]() ![]() ![]() ![]() | base64Binary | |||
![]() ![]() ![]() ![]() ![]() ![]() | boolean | |||
![]() ![]() ![]() ![]() ![]() ![]() | canonical(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | code | |||
![]() ![]() ![]() ![]() ![]() ![]() | date | |||
![]() ![]() ![]() ![]() ![]() ![]() | dateTime | |||
![]() ![]() ![]() ![]() ![]() ![]() | decimal | |||
![]() ![]() ![]() ![]() ![]() ![]() | id | |||
![]() ![]() ![]() ![]() ![]() ![]() | instant | |||
![]() ![]() ![]() ![]() ![]() ![]() | integer | |||
![]() ![]() ![]() ![]() ![]() ![]() | markdown | |||
![]() ![]() ![]() ![]() ![]() ![]() | oid | |||
![]() ![]() ![]() ![]() ![]() ![]() | positiveInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | string | |||
![]() ![]() ![]() ![]() ![]() ![]() | time | |||
![]() ![]() ![]() ![]() ![]() ![]() | unsignedInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | uri | |||
![]() ![]() ![]() ![]() ![]() ![]() | url | |||
![]() ![]() ![]() ![]() ![]() ![]() | uuid | |||
![]() ![]() ![]() ![]() ![]() ![]() | Address | |||
![]() ![]() ![]() ![]() ![]() ![]() | Age | |||
![]() ![]() ![]() ![]() ![]() ![]() | Annotation | |||
![]() ![]() ![]() ![]() ![]() ![]() | Attachment | |||
![]() ![]() ![]() ![]() ![]() ![]() | CodeableConcept | |||
![]() ![]() ![]() ![]() ![]() ![]() | Coding | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactPoint | |||
![]() ![]() ![]() ![]() ![]() ![]() | Count | |||
![]() ![]() ![]() ![]() ![]() ![]() | Distance | |||
![]() ![]() ![]() ![]() ![]() ![]() | Duration | |||
![]() ![]() ![]() ![]() ![]() ![]() | HumanName | |||
![]() ![]() ![]() ![]() ![]() ![]() | Identifier | |||
![]() ![]() ![]() ![]() ![]() ![]() | Money | |||
![]() ![]() ![]() ![]() ![]() ![]() | Period | |||
![]() ![]() ![]() ![]() ![]() ![]() | Quantity | |||
![]() ![]() ![]() ![]() ![]() ![]() | Range | |||
![]() ![]() ![]() ![]() ![]() ![]() | Ratio | |||
![]() ![]() ![]() ![]() ![]() ![]() | Reference(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | SampledData | |||
![]() ![]() ![]() ![]() ![]() ![]() | Signature | |||
![]() ![]() ![]() ![]() ![]() ![]() | Timing | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactDetail | |||
![]() ![]() ![]() ![]() ![]() ![]() | Contributor | |||
![]() ![]() ![]() ![]() ![]() ![]() | DataRequirement | |||
![]() ![]() ![]() ![]() ![]() ![]() | Expression | |||
![]() ![]() ![]() ![]() ![]() ![]() | ParameterDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | RelatedArtifact | |||
![]() ![]() ![]() ![]() ![]() ![]() | TriggerDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | UsageContext | |||
![]() ![]() ![]() ![]() ![]() ![]() | Dosage | |||
![]() ![]() ![]() ![]() ![]() ![]() | Meta | |||
![]() ![]() ![]() ![]() | 1..1 | uri | "term" | |
![]() ![]() ![]() ![]() | 0..1 | string | Value of extension | |
![]() ![]() ![]() | 1..1 | Extension | Definition of the term | |
![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |
![]() ![]() ![]() ![]() ![]() | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() ![]() | 1..1 | uri | identifies the meaning of the extension | |
![]() ![]() ![]() ![]() ![]() | 0..1 | Value of extension | ||
![]() ![]() ![]() ![]() ![]() ![]() | base64Binary | |||
![]() ![]() ![]() ![]() ![]() ![]() | boolean | |||
![]() ![]() ![]() ![]() ![]() ![]() | canonical(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | code | |||
![]() ![]() ![]() ![]() ![]() ![]() | date | |||
![]() ![]() ![]() ![]() ![]() ![]() | dateTime | |||
![]() ![]() ![]() ![]() ![]() ![]() | decimal | |||
![]() ![]() ![]() ![]() ![]() ![]() | id | |||
![]() ![]() ![]() ![]() ![]() ![]() | instant | |||
![]() ![]() ![]() ![]() ![]() ![]() | integer | |||
![]() ![]() ![]() ![]() ![]() ![]() | markdown | |||
![]() ![]() ![]() ![]() ![]() ![]() | oid | |||
![]() ![]() ![]() ![]() ![]() ![]() | positiveInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | string | |||
![]() ![]() ![]() ![]() ![]() ![]() | time | |||
![]() ![]() ![]() ![]() ![]() ![]() | unsignedInt | |||
![]() ![]() ![]() ![]() ![]() ![]() | uri | |||
![]() ![]() ![]() ![]() ![]() ![]() | url | |||
![]() ![]() ![]() ![]() ![]() ![]() | uuid | |||
![]() ![]() ![]() ![]() ![]() ![]() | Address | |||
![]() ![]() ![]() ![]() ![]() ![]() | Age | |||
![]() ![]() ![]() ![]() ![]() ![]() | Annotation | |||
![]() ![]() ![]() ![]() ![]() ![]() | Attachment | |||
![]() ![]() ![]() ![]() ![]() ![]() | CodeableConcept | |||
![]() ![]() ![]() ![]() ![]() ![]() | Coding | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactPoint | |||
![]() ![]() ![]() ![]() ![]() ![]() | Count | |||
![]() ![]() ![]() ![]() ![]() ![]() | Distance | |||
![]() ![]() ![]() ![]() ![]() ![]() | Duration | |||
![]() ![]() ![]() ![]() ![]() ![]() | HumanName | |||
![]() ![]() ![]() ![]() ![]() ![]() | Identifier | |||
![]() ![]() ![]() ![]() ![]() ![]() | Money | |||
![]() ![]() ![]() ![]() ![]() ![]() | Period | |||
![]() ![]() ![]() ![]() ![]() ![]() | Quantity | |||
![]() ![]() ![]() ![]() ![]() ![]() | Range | |||
![]() ![]() ![]() ![]() ![]() ![]() | Ratio | |||
![]() ![]() ![]() ![]() ![]() ![]() | Reference(Any) | |||
![]() ![]() ![]() ![]() ![]() ![]() | SampledData | |||
![]() ![]() ![]() ![]() ![]() ![]() | Signature | |||
![]() ![]() ![]() ![]() ![]() ![]() | Timing | |||
![]() ![]() ![]() ![]() ![]() ![]() | ContactDetail | |||
![]() ![]() ![]() ![]() ![]() ![]() | Contributor | |||
![]() ![]() ![]() ![]() ![]() ![]() | DataRequirement | |||
![]() ![]() ![]() ![]() ![]() ![]() | Expression | |||
![]() ![]() ![]() ![]() ![]() ![]() | ParameterDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | RelatedArtifact | |||
![]() ![]() ![]() ![]() ![]() ![]() | TriggerDefinition | |||
![]() ![]() ![]() ![]() ![]() ![]() | UsageContext | |||
![]() ![]() ![]() ![]() ![]() ![]() | Dosage | |||
![]() ![]() ![]() ![]() ![]() ![]() | Meta | |||
![]() ![]() ![]() ![]() | 1..1 | uri | "definition" | |
![]() ![]() ![]() ![]() | 0..1 | markdown | Value of extension | |
![]() ![]() ![]() | 1..1 | uri | "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-definitionTerm" | |
![]() |
Other representations of extension: Schematron
Id | Path | Details | Requirements |
ele-1 | Extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:term | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension:term | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:term.extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension:term.extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:term.extension.extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension:term.extension.extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:term.extension.value[x] | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ele-1 | Extension.extension:term.value[x] | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ele-1 | Extension.extension:definition | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension:definition | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:definition.extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension:definition.extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:definition.extension.extension | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | Extension.extension:definition.extension.extension | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
ele-1 | Extension.extension:definition.extension.value[x] | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ele-1 | Extension.extension:definition.value[x] | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |