Patient Identifier Cross-referencing for mobile (PIXm)
3.1.0 - Trial-Implementation

Patient Identifier Cross-referencing for mobile (PIXm), published by IHE IT Infrastructure Technical Committee. This guide is not an authorized publication; it is the continuous build for version 3.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IHE/ITI.PIXm/ and changes regularly. See the Directory of published versions

## Resource Profile: IHE PIXm Query Parameters Out

Official URL: https://profiles.ihe.net/ITI/PIXm/StructureDefinition/IHE.PIXm.Query.Parameters.Out | Version: 3.1.0
Active as of 2026-02-03 | Computable Name: PIXmQueryParametersOut

The StructureDefinition defines the Output Parameters for the $ihe-pix operation

- Output: targetId, targetIdentifier

Usages:

- Examples for this Profile: Parameters/pixm-response-mohralice-red-all and Parameters/pixm-response-mohralice-red-to-blue

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
--- | --- | --- | --- | ---
Parameters |  | 0..* | Parameters | Operation Request or Response
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
Slices for parameter | Σ C | 0..* | BackboneElement | Operation Parameter Slice: Unordered, Open by value:name Constraints: inv-1
parameter:All Slices |  |  |  | Content/Rules for all slices
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition
parameter:targetIdentifier | Σ C | 0..* | BackboneElement | targetIdentifier Constraints: inv-1
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetIdentifier
value[x] | Σ C | 1..1 | Identifier | If parameter is a data type
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
assigner | Σ | 0..1 | Reference(Organization) | When the assigning authority name is provided, the actor shall also populate the assigner.
display | Σ | 1..1 | string | When the assigning authority name is provided, the actor shall also populate the display attribute.
parameter:targetId | Σ C | 0..* | BackboneElement | Operation Parameter Constraints: inv-1
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetId
value[x] | Σ C | 1..1 | Reference(Patient) {r} | If parameter is a data type
reference | Σ C | 1..1 | string | Literal reference, Relative, internal or absolute URL
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Parameters.parameter:targetIdentifier.​value[x].use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.

#### 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()`
inv-1 | error | Parameters.parameter, Parameters.parameter:targetIdentifier, Parameters.parameter:targetId | A parameter must have one and only one of (value, resource, part) | `(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))`

This structure is derived from Parameters

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Parameters |  | 0..* | Parameters | Operation Request or Response
Slices for parameter |  | 0..* | BackboneElement | Operation Parameter Slice: Unordered, Open by value:name
parameter:targetIdentifier |  | 0..* | BackboneElement | targetIdentifier
name |  | 1..1 | string | Name from the definition Fixed Value: targetIdentifier
value[x] |  | 1..1 | Identifier | If parameter is a data type
system |  | 1..1 | uri | The namespace for the identifier value
value |  | 1..1 | string | The value that is unique
assigner |  | 0..1 | Reference(Organization) | When the assigning authority name is provided, the actor shall also populate the assigner.
display |  | 1..1 | string | When the assigning authority name is provided, the actor shall also populate the display attribute.
parameter:targetId |  | 0..* | BackboneElement | Operation Parameter
name |  | 1..1 | string | Name from the definition Fixed Value: targetId
value[x] |  | 1..1 | Reference(Patient) {r} | If parameter is a data type
reference |  | 1..1 | string | Literal reference, Relative, internal or absolute URL
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Parameters |  | 0..* | Parameters | Operation Request or Response
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
Slices for parameter | Σ C | 0..* | BackboneElement | Operation Parameter Slice: Unordered, Open by value:name Constraints: inv-1
parameter:All Slices |  |  |  | Content/Rules for all slices
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition
value[x] | Σ C | 0..1 |  | If parameter is a data type
valueBase64Binary |  |  | base64Binary |
valueBoolean |  |  | boolean |
valueCanonical |  |  | canonical(Any) |
valueCode |  |  | code |
valueDate |  |  | date |
valueDateTime |  |  | dateTime |
valueDecimal |  |  | decimal |
valueId |  |  | id |
valueInstant |  |  | instant |
valueInteger |  |  | integer |
valueMarkdown |  |  | markdown |
valueOid |  |  | oid |
valuePositiveInt |  |  | positiveInt |
valueString |  |  | string |
valueTime |  |  | time |
valueUnsignedInt |  |  | unsignedInt |
valueUri |  |  | uri |
valueUrl |  |  | url |
valueUuid |  |  | uuid |
valueAddress |  |  | Address |
valueAge |  |  | Age |
valueAnnotation |  |  | Annotation |
valueAttachment |  |  | Attachment |
valueCodeableConcept |  |  | CodeableConcept |
valueCoding |  |  | Coding |
valueContactPoint |  |  | ContactPoint |
valueCount |  |  | Count |
valueDistance |  |  | Distance |
valueDuration |  |  | Duration |
valueHumanName |  |  | HumanName |
valueIdentifier |  |  | Identifier |
valueMoney |  |  | Money |
valuePeriod |  |  | Period |
valueQuantity |  |  | Quantity |
valueRange |  |  | Range |
valueRatio |  |  | Ratio |
valueReference |  |  | Reference(Any) |
valueSampledData |  |  | SampledData |
valueSignature |  |  | Signature |
valueTiming |  |  | Timing |
valueContactDetail |  |  | ContactDetail |
valueContributor |  |  | Contributor |
valueDataRequirement |  |  | DataRequirement |
valueExpression |  |  | Expression |
valueParameterDefinition |  |  | ParameterDefinition |
valueRelatedArtifact |  |  | RelatedArtifact |
valueTriggerDefinition |  |  | TriggerDefinition |
valueUsageContext |  |  | UsageContext |
valueDosage |  |  | Dosage |
valueMeta |  |  | Meta |
resource | Σ C | 0..1 | Resource | If parameter is a whole resource
part | Σ | 0..* | See parameter (Parameters) | Named part of a multi-part parameter
parameter:targetIdentifier | Σ C | 0..* | BackboneElement | targetIdentifier Constraints: inv-1
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetIdentifier
value[x] | Σ C | 1..1 | Identifier | If parameter is a data type
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | When the assigning authority name is provided, the actor shall also populate the assigner.
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 1..1 | string | When the assigning authority name is provided, the actor shall also populate the display attribute.
resource | Σ C | 0..1 | Resource | If parameter is a whole resource
part | Σ | 0..* | See parameter (Parameters) | Named part of a multi-part parameter
parameter:targetId | Σ C | 0..* | BackboneElement | Operation Parameter Constraints: inv-1
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetId
value[x] | Σ C | 1..1 | Reference(Patient) {r} | If parameter is a data type
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | Σ C | 1..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
resource | Σ C | 0..1 | Resource | If parameter is a whole resource
part | Σ | 0..* | See parameter (Parameters) | Named part of a multi-part parameter
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Parameters.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetIdentifier.​value[x].use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetIdentifier.​value[x].type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetIdentifier.​value[x].assigner.type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetId.​value[x].type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.

#### 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()`
inv-1 | error | Parameters.parameter, Parameters.parameter:targetIdentifier, Parameters.parameter:targetId | A parameter must have one and only one of (value, resource, part) | `(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))`

This structure is derived from Parameters

Summary

Mandatory: 0 element(6 nested mandatory elements)
Fixed: 2 elements

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Parameters.parameter

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Parameters |  | 0..* | Parameters | Operation Request or Response
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
Slices for parameter | Σ C | 0..* | BackboneElement | Operation Parameter Slice: Unordered, Open by value:name Constraints: inv-1
parameter:All Slices |  |  |  | Content/Rules for all slices
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition
parameter:targetIdentifier | Σ C | 0..* | BackboneElement | targetIdentifier Constraints: inv-1
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetIdentifier
value[x] | Σ C | 1..1 | Identifier | If parameter is a data type
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
assigner | Σ | 0..1 | Reference(Organization) | When the assigning authority name is provided, the actor shall also populate the assigner.
display | Σ | 1..1 | string | When the assigning authority name is provided, the actor shall also populate the display attribute.
parameter:targetId | Σ C | 0..* | BackboneElement | Operation Parameter Constraints: inv-1
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetId
value[x] | Σ C | 1..1 | Reference(Patient) {r} | If parameter is a data type
reference | Σ C | 1..1 | string | Literal reference, Relative, internal or absolute URL
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Parameters.parameter:targetIdentifier.​value[x].use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.

#### 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()`
inv-1 | error | Parameters.parameter, Parameters.parameter:targetIdentifier, Parameters.parameter:targetId | A parameter must have one and only one of (value, resource, part) | `(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))`

Differential View

This structure is derived from Parameters

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Parameters |  | 0..* | Parameters | Operation Request or Response
Slices for parameter |  | 0..* | BackboneElement | Operation Parameter Slice: Unordered, Open by value:name
parameter:targetIdentifier |  | 0..* | BackboneElement | targetIdentifier
name |  | 1..1 | string | Name from the definition Fixed Value: targetIdentifier
value[x] |  | 1..1 | Identifier | If parameter is a data type
system |  | 1..1 | uri | The namespace for the identifier value
value |  | 1..1 | string | The value that is unique
assigner |  | 0..1 | Reference(Organization) | When the assigning authority name is provided, the actor shall also populate the assigner.
display |  | 1..1 | string | When the assigning authority name is provided, the actor shall also populate the display attribute.
parameter:targetId |  | 0..* | BackboneElement | Operation Parameter
name |  | 1..1 | string | Name from the definition Fixed Value: targetId
value[x] |  | 1..1 | Reference(Patient) {r} | If parameter is a data type
reference |  | 1..1 | string | Literal reference, Relative, internal or absolute URL
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Parameters |  | 0..* | Parameters | Operation Request or Response
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
Slices for parameter | Σ C | 0..* | BackboneElement | Operation Parameter Slice: Unordered, Open by value:name Constraints: inv-1
parameter:All Slices |  |  |  | Content/Rules for all slices
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition
value[x] | Σ C | 0..1 |  | If parameter is a data type
valueBase64Binary |  |  | base64Binary |
valueBoolean |  |  | boolean |
valueCanonical |  |  | canonical(Any) |
valueCode |  |  | code |
valueDate |  |  | date |
valueDateTime |  |  | dateTime |
valueDecimal |  |  | decimal |
valueId |  |  | id |
valueInstant |  |  | instant |
valueInteger |  |  | integer |
valueMarkdown |  |  | markdown |
valueOid |  |  | oid |
valuePositiveInt |  |  | positiveInt |
valueString |  |  | string |
valueTime |  |  | time |
valueUnsignedInt |  |  | unsignedInt |
valueUri |  |  | uri |
valueUrl |  |  | url |
valueUuid |  |  | uuid |
valueAddress |  |  | Address |
valueAge |  |  | Age |
valueAnnotation |  |  | Annotation |
valueAttachment |  |  | Attachment |
valueCodeableConcept |  |  | CodeableConcept |
valueCoding |  |  | Coding |
valueContactPoint |  |  | ContactPoint |
valueCount |  |  | Count |
valueDistance |  |  | Distance |
valueDuration |  |  | Duration |
valueHumanName |  |  | HumanName |
valueIdentifier |  |  | Identifier |
valueMoney |  |  | Money |
valuePeriod |  |  | Period |
valueQuantity |  |  | Quantity |
valueRange |  |  | Range |
valueRatio |  |  | Ratio |
valueReference |  |  | Reference(Any) |
valueSampledData |  |  | SampledData |
valueSignature |  |  | Signature |
valueTiming |  |  | Timing |
valueContactDetail |  |  | ContactDetail |
valueContributor |  |  | Contributor |
valueDataRequirement |  |  | DataRequirement |
valueExpression |  |  | Expression |
valueParameterDefinition |  |  | ParameterDefinition |
valueRelatedArtifact |  |  | RelatedArtifact |
valueTriggerDefinition |  |  | TriggerDefinition |
valueUsageContext |  |  | UsageContext |
valueDosage |  |  | Dosage |
valueMeta |  |  | Meta |
resource | Σ C | 0..1 | Resource | If parameter is a whole resource
part | Σ | 0..* | See parameter (Parameters) | Named part of a multi-part parameter
parameter:targetIdentifier | Σ C | 0..* | BackboneElement | targetIdentifier Constraints: inv-1
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetIdentifier
value[x] | Σ C | 1..1 | Identifier | If parameter is a data type
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value | Σ | 1..1 | string | The value that is unique Example General: 123456
period | Σ | 0..1 | Period | Time period when id is/was valid for use
assigner | Σ | 0..1 | Reference(Organization) | When the assigning authority name is provided, the actor shall also populate the assigner.
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | Σ C | 0..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 1..1 | string | When the assigning authority name is provided, the actor shall also populate the display attribute.
resource | Σ C | 0..1 | Resource | If parameter is a whole resource
part | Σ | 0..* | See parameter (Parameters) | Named part of a multi-part parameter
parameter:targetId | Σ C | 0..* | BackboneElement | Operation Parameter Constraints: inv-1
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
name | Σ | 1..1 | string | Name from the definition Fixed Value: targetId
value[x] | Σ C | 1..1 | Reference(Patient) {r} | If parameter is a data type
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
reference | Σ C | 1..1 | string | Literal reference, Relative, internal or absolute URL
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known
display | Σ | 0..1 | string | Text alternative for the resource
resource | Σ C | 0..1 | Resource | If parameter is a whole resource
part | Σ | 0..* | See parameter (Parameters) | Named part of a multi-part parameter
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Parameters.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetIdentifier.​value[x].use | Base | required | IdentifierUse | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetIdentifier.​value[x].type | Base | extensible | IdentifierType | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetIdentifier.​value[x].assigner.type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.
Parameters.parameter:targetId.​value[x].type | Base | extensible | ResourceType | 📍4.0.1 | FHIR Std.

#### 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()`
inv-1 | error | Parameters.parameter, Parameters.parameter:targetIdentifier, Parameters.parameter:targetId | A parameter must have one and only one of (value, resource, part) | `(part.exists() and value.empty() and resource.empty()) or (part.empty() and (value.exists() xor resource.exists()))`

This structure is derived from Parameters

Summary

Mandatory: 0 element(6 nested mandatory elements)
Fixed: 2 elements

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Parameters.parameter

Other representations of profile: CSV, Excel, Schematron