ext-R5-Task.performer
type: StructureDefinition
node role: treeRoot
id:
  v: ext-R5-Task.performer
text:
  status:
    v: extensions
  div:
    v: Generated Narrative: StructureDefinition ext-R5-Task.performer Name Flags Card. Type Description & Constraints<img src="[binary]" alt="doco" style="background-color: inherit"/> Extension 0..* Extension R5: Who or what performed the task (new) #xD; Slices for extension 1..* Extension Extension Slice: Unordered, Open by value:url #xD; extension:function 0..1 Extension R5: Type of performance (new) #xD; url 1..1 uri "function" #xD; value[x] 0..1 CodeableConcept Type of performance #xD; extension:actor 1..1 Extension R5: Who performed the task (new) #xD; url 1..1 uri "actor" #xD; value[x] 1..1 Reference(Cross-version Profile for R5.Practitioner for use in FHIR STU3(0.1.0) | Practitioner | Cross-version Profile for R5.PractitionerRole for use in FHIR STU3(0.1.0) | PractitionerRole | Cross-version Profile for R5.Organization for use in FHIR STU3(0.1.0) | Organization | Cross-version Profile for R5.CareTeam for use in FHIR STU3(0.1.0) | CareTeam | Cross-version Profile for R5.Patient for use in FHIR STU3(0.1.0) | Patient | Cross-version Profile for R5.RelatedPerson for use in FHIR STU3(0.1.0) | RelatedPerson) Who performed the task #xD; url 1..1 uri "http://hl7.org/fhir/5.0/StructureDefinition/extension-Task.performer" #xD; value[x] 0..0 Value of extension #xD; <img src="[binary]" alt="doco" style="background-color: inherit"/> Documentation for this format
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-wg
    l: structuredefinition-wg
  value: Code
    v: fhir
extension:
  extension:
    url:
      v: packageId
      l: packageId
    value: Id
      v: hl7.fhir.uv.xver-r5.r3
  extension:
    url:
      v: version
      l: version
    value: String
      v: 0.1.0
  extension:
    url:
      v: uri
      l: uri
    value: Uri
      v: http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3
      l: hl7.fhir.uv.xver-r5.r3
  url:
    v: http://hl7.org/fhir/StructureDefinition/package-source
    l: package-source
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm
    l: structuredefinition-fmm
  value: Integer
    v: 0
    extension:
      url:
        v: http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom
        l: structuredefinition-conformance-derivedFrom
      value: Uri
        v: http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3
        l: hl7.fhir.uv.xver-r5.r3
extension:
  url:
    v: http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status
    l: structuredefinition-standards-status
  value: Code
    v: trial-use
    extension:
      url:
        v: http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom
        l: structuredefinition-conformance-derivedFrom
      value: Uri
        v: http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3
        l: hl7.fhir.uv.xver-r5.r3
url:
  v: http://hl7.org/fhir/5.0/StructureDefinition/extension-Task.performer
  l: extension-Task.performer
version:
  v: 0.1.0
name:
  v: ExtensionTask_Performer
title:
  v: R5: Who or what performed the task (new)
status:
  v: active
experimental:
  v: false
date:
  v: 2026-03-17T21:02:03.8104715+00:00
publisher:
  v: FHIR Infrastructure
contact:
  name:
    v: FHIR Infrastructure
  telecom:
    system:
      v: url
    value:
      v: http://www.hl7.org/Special/committees/fiwg
description:
  v: R5: `Task.performer` (new:BackboneElement)
jurisdiction:
  coding:
    system:
      v: http://unstats.un.org/unsd/methods/m49/m49.htm
      l: m49.htm
    code:
      v: 001
    display:
      v: World
purpose:
  v: This extension is part of the cross-version definitions generated to enable use of the element `Task.performer` as defined in FHIR R5 in FHIR STU3. The source element is defined as: `Task.performer` 0..* `BackboneElement` Across FHIR versions, the element set has been mapped as: * R5: `Task.performer` 0..* `BackboneElement` * R5: `Task.performer` 0..* `BackboneElement` * R5: `Task.performer` 0..* `BackboneElement` Following are the generation technical comments: Element `Task.performer` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
fhir version:
  v: 3.0.2
mapping:
  identity:
    v: rim
  uri:
    v: http://hl7.org/v3
    l: v3
  name:
    v: RIM Mapping
kind:
  v: complex-type
abstract:
  v: false
context type:
  v: resource
context:
  v: ProcessRequest
context:
  v: ProcessResponse
context:
  v: Task
type:
  v: Extension
base definition:
  v: http://hl7.org/fhir/StructureDefinition/Extension
  l: Extension
derivation:
  v: constraint
snapshot:
  element:
    id:
      v: Extension
    path:
      v: Extension
    short:
      v: R5: Who or what performed the task (new)
    definition:
      v: R5: `Task.performer` (new:BackboneElement)
    comment:
      v: Element `Task.performer` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
    min:
      v: 0
    max:
      v: *
    base:
      path:
        v: Extension
      min:
        v: 0
      max:
        v: *
    condition:
      v: ele-1
    constraint:
      key:
        v: ele-1
      severity:
        v: error
      human:
        v: All FHIR elements must have a @value or children
      expression:
        v: hasValue() | (children().count() > id.count())
      xpath:
        v: @value|f:*|h:div
      source:
        v: http://hl7.org/fhir/StructureDefinition/Element
        l: Element
    constraint:
      key:
        v: ext-1
      severity:
        v: error
      human:
        v: Must have either extensions or value[x], not both
      expression:
        v: extension.exists() != value.exists()
      xpath:
        v: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])
      source:
        v: http://hl7.org/fhir/StructureDefinition/Extension
        l: Extension
    is modifier:
      v: false
  element:
    id:
      v: Extension.id
    path:
      v: Extension.id
    representation:
      v: xmlAttr
    short:
      v: xml:id (or equivalent in JSON)
    definition:
      v: unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
    min:
      v: 0
    max:
      v: 1
    base:
      path:
        v: Element.id

v: 0

v: 1

code:
  v: string
  l: string

identity:
  v: rim
map:
  v: n/a

id:
  v: Extension.extension
path:
  v: Extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  ordered:
    v: false
  rules:
    v: open
short:
  v: Extension
definition:
  v: An Extension
min:
  v: 1
max:
  v: *
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension

id:
  v: Extension.extension:function
path:
  v: Extension.extension
slice name:
  v: function
short:
  v: R5: Type of performance (new)
definition:
  v: R5: `Task.performer.function` (new:CodeableConcept)
comment:
  v: Element `Task.performer.function` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.function` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.function` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.function` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.function` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
requirements:
  v: Element `Task.performer.function` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.function` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.function` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.function` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.function` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension

id:
  v: Extension.extension:function.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: xml:id (or equivalent in JSON)
definition:
  v: unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: string
    l: string
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:function.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Additional Content defined by implementations
definition:
  v: May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
comment:
  v: There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
alias:
  v: extensions
alias:
  v: user content
min:
  v: 0
max:
  v: *
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:function.url
path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  code:
    v: uri
    l: uri
fixed: Uri
  v: function
  l: function
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:function.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Type of performance
definition:
  v: A code or description of the performer of the task.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: CodeableConcept
    l: CodeableConcept
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:actor
path:
  v: Extension.extension
slice name:
  v: actor
short:
  v: R5: Who performed the task (new)
definition:
  v: R5: `Task.performer.actor` (new:Reference(Practitioner,PractitionerRole,Organization,CareTeam,Patient,RelatedPerson))
comment:
  v: Element `Task.performer.actor` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.actor` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.actor` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.actor` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.actor` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
requirements:
  v: Element `Task.performer.actor` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.actor` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.actor` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.actor` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.actor` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension

id:
  v: Extension.extension:actor.id
path:
  v: Extension.extension.id
representation:
  v: xmlAttr
short:
  v: xml:id (or equivalent in JSON)
definition:
  v: unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
min:
  v: 0
max:
  v: 1
base:
  path:
    v: Element.id
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: string
    l: string
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:actor.extension
path:
  v: Extension.extension.extension
slicing:
  discriminator:
    type:
      v: value
    path:
      v: url
  description:
    v: Extensions are always sliced by (at least) url
  rules:
    v: open
short:
  v: Additional Content defined by implementations
definition:
  v: May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
comment:
  v: There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.
alias:
  v: extensions
alias:
  v: user content
min:
  v: 0
max:
  v: *
base:
  path:
    v: Element.extension
  min:
    v: 0
  max:
    v: *
type:
  code:
    v: Extension
    l: Extension
mapping:
  identity:
    v: rim
  map:
    v: n/a

id:
  v: Extension.extension:actor.url
path:
  v: Extension.extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  code:
    v: uri
    l: uri
fixed: Uri
  v: actor
  l: actor
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.extension:actor.value[x]
path:
  v: Extension.extension.value[x]
short:
  v: Who performed the task
definition:
  v: The actor or entity who performed the task.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/5.0/StructureDefinition/profile-Practitioner|0.1.0
    l: http://hl7.org/fhir/5.0/StructureDefinition/profile-Practitioner
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/StructureDefinition/Practitioner
    l: Practitioner
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/5.0/StructureDefinition/profile-PractitionerRole|0.1.0
    l: http://hl7.org/fhir/5.0/StructureDefinition/profile-PractitionerRole
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/StructureDefinition/PractitionerRole
    l: PractitionerRole
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/5.0/StructureDefinition/profile-Organization|0.1.0
    l: http://hl7.org/fhir/5.0/StructureDefinition/profile-Organization
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/StructureDefinition/Organization
    l: Organization
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/5.0/StructureDefinition/profile-CareTeam|0.1.0
    l: http://hl7.org/fhir/5.0/StructureDefinition/profile-CareTeam
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/StructureDefinition/CareTeam
    l: CareTeam
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/5.0/StructureDefinition/profile-Patient|0.1.0
    l: http://hl7.org/fhir/5.0/StructureDefinition/profile-Patient
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/StructureDefinition/Patient
    l: Patient
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/5.0/StructureDefinition/profile-RelatedPerson|0.1.0
    l: http://hl7.org/fhir/5.0/StructureDefinition/profile-RelatedPerson
type:
  code:
    v: Reference
    l: Reference
  target profile:
    v: http://hl7.org/fhir/StructureDefinition/RelatedPerson
    l: RelatedPerson
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.url
path:
  v: Extension.url
representation:
  v: xmlAttr
short:
  v: identifies the meaning of the extension
definition:
  v: Source of the definition for the extension code - a logical name or a URL.
comment:
  v: The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
type:
  code:
    v: uri
    l: uri
fixed: Uri
  v: http://hl7.org/fhir/5.0/StructureDefinition/extension-Task.performer
  l: extension-Task.performer
mapping:
  identity:
    v: rim
  map:
    v: N/A

id:
  v: Extension.value[x]
path:
  v: Extension.value[x]
short:
  v: Value of extension
definition:
  v: Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).
min:
  v: 0
max:
  v: 0
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1
type:
  code:
    v: base64Binary
    l: base64Binary
type:
  code:
    v: boolean
    l: boolean
type:
  code:
    v: code
    l: code
type:
  code:
    v: date
    l: date
type:
  code:
    v: dateTime
    l: dateTime
type:
  code:
    v: decimal
    l: decimal
type:
  code:
    v: id
    l: id
type:
  code:
    v: instant
    l: instant
type:
  code:
    v: integer
    l: integer
type:
  code:
    v: markdown
    l: markdown
type:
  code:
    v: oid
    l: oid
type:
  code:
    v: positiveInt
    l: positiveInt
type:
  code:
    v: string
    l: string
type:
  code:
    v: time
    l: time
type:
  code:
    v: unsignedInt
    l: unsignedInt
type:
  code:
    v: uri
    l: uri
type:
  code:
    v: Address
    l: Address
type:
  code:
    v: Age
    l: Age
type:
  code:
    v: Annotation
    l: Annotation
type:
  code:
    v: Attachment
    l: Attachment
type:
  code:
    v: CodeableConcept
    l: CodeableConcept
type:
  code:
    v: Coding
    l: Coding
type:
  code:
    v: ContactPoint
    l: ContactPoint
type:
  code:
    v: Count
    l: Count
type:
  code:
    v: Distance
    l: Distance
type:
  code:
    v: Duration
    l: Duration
type:
  code:
    v: HumanName
    l: HumanName
type:
  code:
    v: Identifier
    l: Identifier
type:
  code:
    v: Money
    l: Money
type:
  code:
    v: Period
    l: Period
type:
  code:
    v: Quantity
    l: Quantity
type:
  code:
    v: Range
    l: Range
type:
  code:
    v: Ratio
    l: Ratio
type:
  code:
    v: Reference
    l: Reference
type:
  code:
    v: SampledData
    l: SampledData
type:
  code:
    v: Signature
    l: Signature
type:
  code:
    v: Timing
    l: Timing
type:
  code:
    v: Meta
    l: Meta
mapping:
  identity:
    v: rim
  map:
    v: N/A

element:
  id:
    v: Extension
  path:
    v: Extension
  short:
    v: R5: Who or what performed the task (new)
  definition:
    v: R5: `Task.performer` (new:BackboneElement)
  comment:
    v: Element `Task.performer` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
  min:
    v: 0
  max:
    v: *
  base:
    path:
      v: Extension
    min:
      v: 0
    max:
      v: *
  is modifier:
    v: false
element:
  id:
    v: Extension.extension
  path:
    v: Extension.extension
  slicing:
    discriminator:
      type:
        v: value
      path:
        v: url
    ordered:
      v: false
    rules:
      v: open
  min:
    v: 1
  max:
    v: *
  base:
    path:
      v: Extension.extension
    min:
      v: 0
    max:
      v: *
element:
  id:
    v: Extension.extension:function
  path:
    v: Extension.extension
  slice name:
    v: function
  short:
    v: R5: Type of performance (new)
  definition:
    v: R5: `Task.performer.function` (new:CodeableConcept)
  comment:
    v: Element `Task.performer.function` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.function` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.function` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.function` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.function` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
  requirements:
    v: Element `Task.performer.function` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.function` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.function` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.function` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.function` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
  min:
    v: 0
  max:
    v: 1
  base:
    path:
      v: Extension.extension
    min:
      v: 0
    max:
      v: *
element:
  id:
    v: Extension.extension:function.url
  path:
    v: Extension.extension.url
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.url
    min:
      v: 1
    max:
      v: 1
  fixed: Uri
    v: function
    l: function
element:
  id:
    v: Extension.extension:function.value[x]
  path:
    v: Extension.extension.value[x]
  short:
    v: Type of performance
  definition:
    v: A code or description of the performer of the task.
  min:
    v: 0
  max:
    v: 1
  base:
    path:
      v: Extension.value[x]
    min:
      v: 0
    max:
      v: 1
  type:
    code:
      v: CodeableConcept
      l: CodeableConcept
element:
  id:
    v: Extension.extension:actor
  path:
    v: Extension.extension
  slice name:
    v: actor
  short:
    v: R5: Who performed the task (new)
  definition:
    v: R5: `Task.performer.actor` (new:Reference(Practitioner,PractitionerRole,Organization,CareTeam,Patient,RelatedPerson))
  comment:
    v: Element `Task.performer.actor` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.actor` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.actor` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.actor` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.actor` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
  requirements:
    v: Element `Task.performer.actor` is part of an existing definition because parent element `Task.performer` requires a cross-version extension. Element `Task.performer.actor` has a context of ProcessRequest based on following the parent source element upwards and mapping to `ProcessRequest`. Element `Task.performer.actor` has a context of ProcessResponse based on following the parent source element upwards and mapping to `ProcessResponse`. Element `Task.performer.actor` has a context of Task based on following the parent source element upwards and mapping to `Task`. Element `Task.performer.actor` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.extension
    min:
      v: 0
    max:
      v: *
element:
  id:
    v: Extension.extension:actor.url
  path:
    v: Extension.extension.url
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.url
    min:
      v: 1
    max:
      v: 1
  fixed: Uri
    v: actor
    l: actor
element:
  id:
    v: Extension.extension:actor.value[x]
  path:
    v: Extension.extension.value[x]
  short:
    v: Who performed the task
  definition:
    v: The actor or entity who performed the task.
  min:
    v: 1
  max:
    v: 1
  base:
    path:
      v: Extension.value[x]
    min:
      v: 0
    max:
      v: 1
  type:
    code:
      v: Reference
      l: Reference
    target profile:
      v: http://hl7.org/fhir/5.0/StructureDefinition/profile-Practitioner|0.1.0
      l: http://hl7.org/fhir/5.0/StructureDefinition/profile-Practitioner
  type:
    code:
      v: Reference
      l: Reference
    target profile:
      v: http://hl7.org/fhir/StructureDefinition/Practitioner
      l: Practitioner
  type:
    code:
      v: Reference
      l: Reference

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/StructureDefinition/PractitionerRole
  l: PractitionerRole

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/5.0/StructureDefinition/profile-Organization|0.1.0
  l: http://hl7.org/fhir/5.0/StructureDefinition/profile-Organization

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/StructureDefinition/Organization
  l: Organization

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/5.0/StructureDefinition/profile-CareTeam|0.1.0
  l: http://hl7.org/fhir/5.0/StructureDefinition/profile-CareTeam

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/StructureDefinition/CareTeam
  l: CareTeam

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/5.0/StructureDefinition/profile-Patient|0.1.0
  l: http://hl7.org/fhir/5.0/StructureDefinition/profile-Patient

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/StructureDefinition/Patient
  l: Patient

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/5.0/StructureDefinition/profile-RelatedPerson|0.1.0
  l: http://hl7.org/fhir/5.0/StructureDefinition/profile-RelatedPerson

code:
  v: Reference
  l: Reference
target profile:
  v: http://hl7.org/fhir/StructureDefinition/RelatedPerson
  l: RelatedPerson

id:
  v: Extension.url
path:
  v: Extension.url
min:
  v: 1
max:
  v: 1
base:
  path:
    v: Extension.url
  min:
    v: 1
  max:
    v: 1
fixed: Uri
  v: http://hl7.org/fhir/5.0/StructureDefinition/extension-Task.performer
  l: extension-Task.performer

id:
  v: Extension.value[x]
path:
  v: Extension.value[x]
min:
  v: 0
max:
  v: 0
base:
  path:
    v: Extension.value[x]
  min:
    v: 0
  max:
    v: 1