Projo FHIR Documentation - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

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Resource Profile: Projo Task ( Experimental )

A single questionnaire dispatch. Tasks are materialized server-side by Fire Arrow from CarePlan (via PlanDefinition/$apply), then claimed and driven to completion by the orchestrator's handleTaskDue handler. The Task is the central anchor: it links to the CarePlan it came from (basedOn), the CommunicationRequest it dispatched (output), and the QuestionnaireResponse it ultimately collected (output). HAPI does not auto-index CommunicationRequest.about (HAPI-0524), so the CR↔Task link lives on Task.output rather than ?about= searches. Carries the delivery-time extension (the only active Task extension Projo writes today).

Documentation-only artifact. Projo's runtime extensions, code systems, identifier systems and search parameter are TypeScript constants and bootstrap-time resources, NOT deployed StructureDefinitions. This StructureDefinition exists to document the contract; the source of truth is src/functions/src/lib/fhir/types.ts and docs/FHIR_EXTENSIONS.md.

Usages:

• Examples for this Profile: Task/ExampleTask

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
Task	C	0..*	Task	Single questionnaire dispatch Constraints: inv-1
Task.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Task.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Task.Slices for extension.extension:deliveryTime		0..1	dateTime	Actual delivery timestamp (orchestrator-stamped) URL: https://projo.evoleen.com/fhir/StructureDefinition/delivery-time
Task.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Task.basedOn	Σ This element is included in summaries.	1..1	Reference(Resource)	CarePlan that produced this Task (via $apply)
Task.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	requested | ready | accepted | in-progress | completed | cancelled Binding: TaskStatus (required): The current status of the task.
Task.businessStatus	Σ This element is included in summaries.	1..1	CodeableConcept	Projo lifecycle state (task-business-status code system) Binding Description: (example): The domain-specific business-contextual sub-state of the task. For example: "Blood drawn", "IV inserted", "Awaiting physician signature", etc.
Task.businessStatus.coding	Σ This element is included in summaries.	1..*	Coding	Code defined by a terminology system
Task.businessStatus.coding.system	Σ This element is included in summaries.	1..1	uri	Identity of the terminology system Fixed Value: https://projo.evoleen.com/fhir/CodeSystem/task-business-status (no extensions allowed)
Task.businessStatus.coding.code	Σ This element is included in summaries.	1..1	code	Symbol in syntax defined by the system
Task.intent	Σ This element is included in summaries.	1..1	code	Always 'order' Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order. Fixed Value: order (no extensions allowed)
Task.for	Σ This element is included in summaries.	1..1	Reference(Resource)	Patient / Practitioner / RelatedPerson — the questionnaire recipient
Task.restriction		1..1	BackboneElement	Constraints on fulfillment tasks
Task.restriction.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.restriction.period		1..1	Period	Scheduled/delivery window
Task.input		1..*	BackboneElement	Questionnaire reference (valueReference)
Task.input.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.input.type		1..1	CodeableConcept	Label for the input Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Comparison source", "Applicable consent", "Concomitent Medications", etc.
Task.input.value[x]		1..1		Content to use in performing the task
Task.input.value[x].valueBase64Binary			base64Binary
Task.input.value[x].valueBoolean			boolean
Task.input.value[x].valueCanonical			canonical(Any)
Task.input.value[x].valueCode			code
Task.input.value[x].valueDate			date
Task.input.value[x].valueDateTime			dateTime
Task.input.value[x].valueDecimal			decimal
Task.input.value[x].valueId			id
Task.input.value[x].valueInstant			instant
Task.input.value[x].valueInteger			integer
Task.input.value[x].valueMarkdown			markdown
Task.input.value[x].valueOid			oid
Task.input.value[x].valuePositiveInt			positiveInt
Task.input.value[x].valueString			string
Task.input.value[x].valueTime			time
Task.input.value[x].valueUnsignedInt			unsignedInt
Task.input.value[x].valueUri			uri
Task.input.value[x].valueUrl			url
Task.input.value[x].valueUuid			uuid
Task.input.value[x].valueAddress			Address
Task.input.value[x].valueAge			Age
Task.input.value[x].valueAnnotation			Annotation
Task.input.value[x].valueAttachment			Attachment
Task.input.value[x].valueCodeableConcept			CodeableConcept
Task.input.value[x].valueCoding			Coding
Task.input.value[x].valueContactPoint			ContactPoint
Task.input.value[x].valueCount			Count
Task.input.value[x].valueDistance			Distance
Task.input.value[x].valueDuration			Duration
Task.input.value[x].valueHumanName			HumanName
Task.input.value[x].valueIdentifier			Identifier
Task.input.value[x].valueMoney			Money
Task.input.value[x].valuePeriod			Period
Task.input.value[x].valueQuantity			Quantity
Task.input.value[x].valueRange			Range
Task.input.value[x].valueRatio			Ratio
Task.input.value[x].valueReference			Reference(Any)
Task.input.value[x].valueSampledData			SampledData
Task.input.value[x].valueSignature			Signature
Task.input.value[x].valueTiming			Timing
Task.input.value[x].valueContactDetail			ContactDetail
Task.input.value[x].valueContributor			Contributor
Task.input.value[x].valueDataRequirement			DataRequirement
Task.input.value[x].valueExpression			Expression
Task.input.value[x].valueParameterDefinition			ParameterDefinition
Task.input.value[x].valueRelatedArtifact			RelatedArtifact
Task.input.value[x].valueTriggerDefinition			TriggerDefinition
Task.input.value[x].valueUsageContext			UsageContext
Task.input.value[x].valueDosage			Dosage
Task.input.value[x].valueMeta			Meta
Task.output		0..*	BackboneElement	CommunicationRequest and/or QuestionnaireResponse references
Task.output.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.output.type		1..1	CodeableConcept	Label for output Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Identified issues", "Preliminary results", "Filler order", "Final results", etc.
Task.output.value[x]		1..1		Result of output
Task.output.value[x].valueBase64Binary			base64Binary
Task.output.value[x].valueBoolean			boolean
Task.output.value[x].valueCanonical			canonical(Any)
Task.output.value[x].valueCode			code
Task.output.value[x].valueDate			date
Task.output.value[x].valueDateTime			dateTime
Task.output.value[x].valueDecimal			decimal
Task.output.value[x].valueId			id
Task.output.value[x].valueInstant			instant
Task.output.value[x].valueInteger			integer
Task.output.value[x].valueMarkdown			markdown
Task.output.value[x].valueOid			oid
Task.output.value[x].valuePositiveInt			positiveInt
Task.output.value[x].valueString			string
Task.output.value[x].valueTime			time
Task.output.value[x].valueUnsignedInt			unsignedInt
Task.output.value[x].valueUri			uri
Task.output.value[x].valueUrl			url
Task.output.value[x].valueUuid			uuid
Task.output.value[x].valueAddress			Address
Task.output.value[x].valueAge			Age
Task.output.value[x].valueAnnotation			Annotation
Task.output.value[x].valueAttachment			Attachment
Task.output.value[x].valueCodeableConcept			CodeableConcept
Task.output.value[x].valueCoding			Coding
Task.output.value[x].valueContactPoint			ContactPoint
Task.output.value[x].valueCount			Count
Task.output.value[x].valueDistance			Distance
Task.output.value[x].valueDuration			Duration
Task.output.value[x].valueHumanName			HumanName
Task.output.value[x].valueIdentifier			Identifier
Task.output.value[x].valueMoney			Money
Task.output.value[x].valuePeriod			Period
Task.output.value[x].valueQuantity			Quantity
Task.output.value[x].valueRange			Range
Task.output.value[x].valueRatio			Ratio
Task.output.value[x].valueReference			Reference(Any)
Task.output.value[x].valueSampledData			SampledData
Task.output.value[x].valueSignature			Signature
Task.output.value[x].valueTiming			Timing
Task.output.value[x].valueContactDetail			ContactDetail
Task.output.value[x].valueContributor			Contributor
Task.output.value[x].valueDataRequirement			DataRequirement
Task.output.value[x].valueExpression			Expression
Task.output.value[x].valueParameterDefinition			ParameterDefinition
Task.output.value[x].valueRelatedArtifact			RelatedArtifact
Task.output.value[x].valueTriggerDefinition			TriggerDefinition
Task.output.value[x].valueUsageContext			UsageContext
Task.output.value[x].valueDosage			Dosage
Task.output.value[x].valueMeta			Meta
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Task.status	Base	required	TaskStatus	📍4.0.1	FHIR Std.
Task.businessStatus	Base	example		Not State	Unknown
Task.intent	Base	required	TaskIntent	📍4.0.1	FHIR Std.
Task.input.type	Base	example		Not State	Unknown
Task.output.type	Base	example		Not State	Unknown

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	Task	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	Task	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Task	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Task	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	Task	A resource should have narrative for robust management	text.`div`.exists()
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	Task	Last modified date must be greater than or equal to authored-on date.	lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn

This structure is derived from Task

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Task		0..*	Task	Single questionnaire dispatch
Task.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Task.Slices for extension.extension:deliveryTime		0..1	dateTime	Actual delivery timestamp (orchestrator-stamped) URL: https://projo.evoleen.com/fhir/StructureDefinition/delivery-time
Task.basedOn		1..1	Reference(Resource)	CarePlan that produced this Task (via $apply)
Task.status		1..1	code	requested | ready | accepted | in-progress | completed | cancelled
Task.businessStatus		1..1	CodeableConcept	Projo lifecycle state (task-business-status code system)
Task.businessStatus.coding		1..*	Coding	Code defined by a terminology system
Task.businessStatus.coding.system		1..1	uri	Identity of the terminology system Fixed Value: https://projo.evoleen.com/fhir/CodeSystem/task-business-status (no extensions allowed)
Task.businessStatus.coding.code		1..1	code	Symbol in syntax defined by the system
Task.intent		1..1	code	Always 'order' Fixed Value: order (no extensions allowed)
Task.for		1..1	Reference(Resource)	Patient / Practitioner / RelatedPerson — the questionnaire recipient
Task.restriction		1..1	BackboneElement	Constraints on fulfillment tasks
Task.restriction.period		1..1	Period	Scheduled/delivery window
Task.input		1..*	BackboneElement	Questionnaire reference (valueReference)
Task.output		0..*	BackboneElement	CommunicationRequest and/or QuestionnaireResponse references
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Task	C	0..*	Task	Single questionnaire dispatch Constraints: inv-1
Task.id	Σ This element is included in summaries.	0..1	id	Logical id of this artifact
Task.meta	Σ This element is included in summaries.	0..1	Meta	Metadata about the resource
Task.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Task.language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
Task.text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Task.contained		0..*	Resource	Contained, inline Resources
Task.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Task.Slices for extension.extension:deliveryTime		0..1	dateTime	Actual delivery timestamp (orchestrator-stamped) URL: https://projo.evoleen.com/fhir/StructureDefinition/delivery-time
Task.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Task.identifier		0..*	Identifier	Task Instance Identifier
Task.instantiatesCanonical	Σ This element is included in summaries.	0..1	canonical(ActivityDefinition)	Formal definition of task
Task.instantiatesUri	Σ This element is included in summaries.	0..1	uri	Formal definition of task
Task.basedOn	Σ This element is included in summaries.	1..1	Reference(Resource)	CarePlan that produced this Task (via $apply)
Task.groupIdentifier	Σ This element is included in summaries.	0..1	Identifier	Requisition or grouper id
Task.partOf	Σ This element is included in summaries.	0..*	Reference(Task)	Composite task
Task.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	requested | ready | accepted | in-progress | completed | cancelled Binding: TaskStatus (required): The current status of the task.
Task.statusReason	Σ This element is included in summaries.	0..1	CodeableConcept	Reason for current status Binding Description: (example): Codes to identify the reason for current status. These will typically be specific to a particular workflow.
Task.businessStatus	Σ This element is included in summaries.	1..1	CodeableConcept	Projo lifecycle state (task-business-status code system) Binding Description: (example): The domain-specific business-contextual sub-state of the task. For example: "Blood drawn", "IV inserted", "Awaiting physician signature", etc.
Task.businessStatus.id		0..1	string	Unique id for inter-element referencing
Task.businessStatus.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Task.businessStatus.coding	Σ This element is included in summaries.	1..*	Coding	Code defined by a terminology system
Task.businessStatus.coding.id		0..1	string	Unique id for inter-element referencing
Task.businessStatus.coding.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Task.businessStatus.coding.system	Σ This element is included in summaries.	1..1	uri	Identity of the terminology system Fixed Value: https://projo.evoleen.com/fhir/CodeSystem/task-business-status (no extensions allowed)
Task.businessStatus.coding.version	Σ This element is included in summaries.	0..1	string	Version of the system - if relevant
Task.businessStatus.coding.code	Σ This element is included in summaries.	1..1	code	Symbol in syntax defined by the system
Task.businessStatus.coding.display	Σ This element is included in summaries.	0..1	string	Representation defined by the system
Task.businessStatus.coding.userSelected	Σ This element is included in summaries.	0..1	boolean	If this coding was chosen directly by the user
Task.businessStatus.text	Σ This element is included in summaries.	0..1	string	Plain text representation of the concept
Task.intent	Σ This element is included in summaries.	1..1	code	Always 'order' Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order. Fixed Value: order (no extensions allowed)
Task.priority		0..1	code	routine | urgent | asap | stat Binding: RequestPriority (required): The task's priority.
Task.code	Σ This element is included in summaries.	0..1	CodeableConcept	Task Type Binding: TaskCode (example): Codes to identify what the task involves. These will typically be specific to a particular workflow.
Task.description	Σ This element is included in summaries.	0..1	string	Human-readable explanation of task
Task.focus	Σ This element is included in summaries.	0..1	Reference(Resource)	What task is acting on
Task.for	Σ This element is included in summaries.	1..1	Reference(Resource)	Patient / Practitioner / RelatedPerson — the questionnaire recipient
Task.encounter	Σ This element is included in summaries.	0..1	Reference(Encounter)	Healthcare event during which this task originated
Task.executionPeriod	Σ This element is included in summaries.	0..1	Period	Start and end time of execution
Task.authoredOn	C	0..1	dateTime	Task Creation Date
Task.lastModified	Σ This element is included in summaries. C	0..1	dateTime	Task Last Modified Date
Task.requester	Σ This element is included in summaries.	0..1	Reference(Device | Organization | Patient | Practitioner | PractitionerRole | RelatedPerson)	Who is asking for task to be done
Task.performerType		0..*	CodeableConcept	Requested performer Binding: ProcedurePerformerRoleCodes (preferred): The type(s) of task performers allowed.
Task.owner	Σ This element is included in summaries.	0..1	Reference(Practitioner | PractitionerRole | Organization | CareTeam | HealthcareService | Patient | Device | RelatedPerson)	Responsible individual
Task.location	Σ This element is included in summaries.	0..1	Reference(Location)	Where task occurs
Task.reasonCode		0..1	CodeableConcept	Why task is needed Binding Description: (example): Indicates why the task is needed. E.g. Suspended because patient admitted to hospital.
Task.reasonReference		0..1	Reference(Resource)	Why task is needed
Task.insurance		0..*	Reference(Coverage | ClaimResponse)	Associated insurance coverage
Task.note		0..*	Annotation	Comments made about the task
Task.relevantHistory		0..*	Reference(Provenance)	Key events in history of the Task
Task.restriction		1..1	BackboneElement	Constraints on fulfillment tasks
Task.restriction.id		0..1	string	Unique id for inter-element referencing
Task.restriction.extension		0..*	Extension	Additional content defined by implementations
Task.restriction.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.restriction.repetitions		0..1	positiveInt	How many times to repeat
Task.restriction.period		1..1	Period	Scheduled/delivery window
Task.restriction.recipient		0..*	Reference(Patient | Practitioner | PractitionerRole | RelatedPerson | Group | Organization)	For whom is fulfillment sought?
Task.input		1..*	BackboneElement	Questionnaire reference (valueReference)
Task.input.id		0..1	string	Unique id for inter-element referencing
Task.input.extension		0..*	Extension	Additional content defined by implementations
Task.input.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.input.type		1..1	CodeableConcept	Label for the input Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Comparison source", "Applicable consent", "Concomitent Medications", etc.
Task.input.value[x]		1..1		Content to use in performing the task
Task.input.value[x].valueBase64Binary			base64Binary
Task.input.value[x].valueBoolean			boolean
Task.input.value[x].valueCanonical			canonical(Any)
Task.input.value[x].valueCode			code
Task.input.value[x].valueDate			date
Task.input.value[x].valueDateTime			dateTime
Task.input.value[x].valueDecimal			decimal
Task.input.value[x].valueId			id
Task.input.value[x].valueInstant			instant
Task.input.value[x].valueInteger			integer
Task.input.value[x].valueMarkdown			markdown
Task.input.value[x].valueOid			oid
Task.input.value[x].valuePositiveInt			positiveInt
Task.input.value[x].valueString			string
Task.input.value[x].valueTime			time
Task.input.value[x].valueUnsignedInt			unsignedInt
Task.input.value[x].valueUri			uri
Task.input.value[x].valueUrl			url
Task.input.value[x].valueUuid			uuid
Task.input.value[x].valueAddress			Address
Task.input.value[x].valueAge			Age
Task.input.value[x].valueAnnotation			Annotation
Task.input.value[x].valueAttachment			Attachment
Task.input.value[x].valueCodeableConcept			CodeableConcept
Task.input.value[x].valueCoding			Coding
Task.input.value[x].valueContactPoint			ContactPoint
Task.input.value[x].valueCount			Count
Task.input.value[x].valueDistance			Distance
Task.input.value[x].valueDuration			Duration
Task.input.value[x].valueHumanName			HumanName
Task.input.value[x].valueIdentifier			Identifier
Task.input.value[x].valueMoney			Money
Task.input.value[x].valuePeriod			Period
Task.input.value[x].valueQuantity			Quantity
Task.input.value[x].valueRange			Range
Task.input.value[x].valueRatio			Ratio
Task.input.value[x].valueReference			Reference(Any)
Task.input.value[x].valueSampledData			SampledData
Task.input.value[x].valueSignature			Signature
Task.input.value[x].valueTiming			Timing
Task.input.value[x].valueContactDetail			ContactDetail
Task.input.value[x].valueContributor			Contributor
Task.input.value[x].valueDataRequirement			DataRequirement
Task.input.value[x].valueExpression			Expression
Task.input.value[x].valueParameterDefinition			ParameterDefinition
Task.input.value[x].valueRelatedArtifact			RelatedArtifact
Task.input.value[x].valueTriggerDefinition			TriggerDefinition
Task.input.value[x].valueUsageContext			UsageContext
Task.input.value[x].valueDosage			Dosage
Task.input.value[x].valueMeta			Meta
Task.output		0..*	BackboneElement	CommunicationRequest and/or QuestionnaireResponse references
Task.output.id		0..1	string	Unique id for inter-element referencing
Task.output.extension		0..*	Extension	Additional content defined by implementations
Task.output.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.output.type		1..1	CodeableConcept	Label for output Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Identified issues", "Preliminary results", "Filler order", "Final results", etc.
Task.output.value[x]		1..1		Result of output
Task.output.value[x].valueBase64Binary			base64Binary
Task.output.value[x].valueBoolean			boolean
Task.output.value[x].valueCanonical			canonical(Any)
Task.output.value[x].valueCode			code
Task.output.value[x].valueDate			date
Task.output.value[x].valueDateTime			dateTime
Task.output.value[x].valueDecimal			decimal
Task.output.value[x].valueId			id
Task.output.value[x].valueInstant			instant
Task.output.value[x].valueInteger			integer
Task.output.value[x].valueMarkdown			markdown
Task.output.value[x].valueOid			oid
Task.output.value[x].valuePositiveInt			positiveInt
Task.output.value[x].valueString			string
Task.output.value[x].valueTime			time
Task.output.value[x].valueUnsignedInt			unsignedInt
Task.output.value[x].valueUri			uri
Task.output.value[x].valueUrl			url
Task.output.value[x].valueUuid			uuid
Task.output.value[x].valueAddress			Address
Task.output.value[x].valueAge			Age
Task.output.value[x].valueAnnotation			Annotation
Task.output.value[x].valueAttachment			Attachment
Task.output.value[x].valueCodeableConcept			CodeableConcept
Task.output.value[x].valueCoding			Coding
Task.output.value[x].valueContactPoint			ContactPoint
Task.output.value[x].valueCount			Count
Task.output.value[x].valueDistance			Distance
Task.output.value[x].valueDuration			Duration
Task.output.value[x].valueHumanName			HumanName
Task.output.value[x].valueIdentifier			Identifier
Task.output.value[x].valueMoney			Money
Task.output.value[x].valuePeriod			Period
Task.output.value[x].valueQuantity			Quantity
Task.output.value[x].valueRange			Range
Task.output.value[x].valueRatio			Ratio
Task.output.value[x].valueReference			Reference(Any)
Task.output.value[x].valueSampledData			SampledData
Task.output.value[x].valueSignature			Signature
Task.output.value[x].valueTiming			Timing
Task.output.value[x].valueContactDetail			ContactDetail
Task.output.value[x].valueContributor			Contributor
Task.output.value[x].valueDataRequirement			DataRequirement
Task.output.value[x].valueExpression			Expression
Task.output.value[x].valueParameterDefinition			ParameterDefinition
Task.output.value[x].valueRelatedArtifact			RelatedArtifact
Task.output.value[x].valueTriggerDefinition			TriggerDefinition
Task.output.value[x].valueUsageContext			UsageContext
Task.output.value[x].valueDosage			Dosage
Task.output.value[x].valueMeta			Meta
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Task.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
Task.status	Base	required	TaskStatus	📍4.0.1	FHIR Std.
Task.statusReason	Base	example		Not State	Unknown
Task.businessStatus	Base	example		Not State	Unknown
Task.intent	Base	required	TaskIntent	📍4.0.1	FHIR Std.
Task.priority	Base	required	Request priority	📍4.0.1	FHIR Std.
Task.code	Base	example	Task Codes	📍4.0.1	FHIR Std.
Task.performerType	Base	preferred	Procedure Performer Role Codes	📍4.0.1	FHIR Std.
Task.reasonCode	Base	example		Not State	Unknown
Task.input.type	Base	example		Not State	Unknown
Task.output.type	Base	example		Not State	Unknown

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	Task	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	Task	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Task	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Task	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	Task	A resource should have narrative for robust management	text.`div`.exists()
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	Task	Last modified date must be greater than or equal to authored-on date.	lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn

This structure is derived from Task

Summary

Mandatory: 9 elements
Fixed: 2 elements

Extensions

This structure refers to these extensions:

• https://projo.evoleen.com/fhir/StructureDefinition/delivery-time

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Task	C	0..*	Task	Single questionnaire dispatch Constraints: inv-1
Task.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Task.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Task.Slices for extension.extension:deliveryTime		0..1	dateTime	Actual delivery timestamp (orchestrator-stamped) URL: https://projo.evoleen.com/fhir/StructureDefinition/delivery-time
Task.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Task.basedOn	Σ This element is included in summaries.	1..1	Reference(Resource)	CarePlan that produced this Task (via $apply)
Task.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	requested | ready | accepted | in-progress | completed | cancelled Binding: TaskStatus (required): The current status of the task.
Task.businessStatus	Σ This element is included in summaries.	1..1	CodeableConcept	Projo lifecycle state (task-business-status code system) Binding Description: (example): The domain-specific business-contextual sub-state of the task. For example: "Blood drawn", "IV inserted", "Awaiting physician signature", etc.
Task.businessStatus.coding	Σ This element is included in summaries.	1..*	Coding	Code defined by a terminology system
Task.businessStatus.coding.system	Σ This element is included in summaries.	1..1	uri	Identity of the terminology system Fixed Value: https://projo.evoleen.com/fhir/CodeSystem/task-business-status (no extensions allowed)
Task.businessStatus.coding.code	Σ This element is included in summaries.	1..1	code	Symbol in syntax defined by the system
Task.intent	Σ This element is included in summaries.	1..1	code	Always 'order' Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order. Fixed Value: order (no extensions allowed)
Task.for	Σ This element is included in summaries.	1..1	Reference(Resource)	Patient / Practitioner / RelatedPerson — the questionnaire recipient
Task.restriction		1..1	BackboneElement	Constraints on fulfillment tasks
Task.restriction.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.restriction.period		1..1	Period	Scheduled/delivery window
Task.input		1..*	BackboneElement	Questionnaire reference (valueReference)
Task.input.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.input.type		1..1	CodeableConcept	Label for the input Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Comparison source", "Applicable consent", "Concomitent Medications", etc.
Task.input.value[x]		1..1		Content to use in performing the task
Task.input.value[x].valueBase64Binary			base64Binary
Task.input.value[x].valueBoolean			boolean
Task.input.value[x].valueCanonical			canonical(Any)
Task.input.value[x].valueCode			code
Task.input.value[x].valueDate			date
Task.input.value[x].valueDateTime			dateTime
Task.input.value[x].valueDecimal			decimal
Task.input.value[x].valueId			id
Task.input.value[x].valueInstant			instant
Task.input.value[x].valueInteger			integer
Task.input.value[x].valueMarkdown			markdown
Task.input.value[x].valueOid			oid
Task.input.value[x].valuePositiveInt			positiveInt
Task.input.value[x].valueString			string
Task.input.value[x].valueTime			time
Task.input.value[x].valueUnsignedInt			unsignedInt
Task.input.value[x].valueUri			uri
Task.input.value[x].valueUrl			url
Task.input.value[x].valueUuid			uuid
Task.input.value[x].valueAddress			Address
Task.input.value[x].valueAge			Age
Task.input.value[x].valueAnnotation			Annotation
Task.input.value[x].valueAttachment			Attachment
Task.input.value[x].valueCodeableConcept			CodeableConcept
Task.input.value[x].valueCoding			Coding
Task.input.value[x].valueContactPoint			ContactPoint
Task.input.value[x].valueCount			Count
Task.input.value[x].valueDistance			Distance
Task.input.value[x].valueDuration			Duration
Task.input.value[x].valueHumanName			HumanName
Task.input.value[x].valueIdentifier			Identifier
Task.input.value[x].valueMoney			Money
Task.input.value[x].valuePeriod			Period
Task.input.value[x].valueQuantity			Quantity
Task.input.value[x].valueRange			Range
Task.input.value[x].valueRatio			Ratio
Task.input.value[x].valueReference			Reference(Any)
Task.input.value[x].valueSampledData			SampledData
Task.input.value[x].valueSignature			Signature
Task.input.value[x].valueTiming			Timing
Task.input.value[x].valueContactDetail			ContactDetail
Task.input.value[x].valueContributor			Contributor
Task.input.value[x].valueDataRequirement			DataRequirement
Task.input.value[x].valueExpression			Expression
Task.input.value[x].valueParameterDefinition			ParameterDefinition
Task.input.value[x].valueRelatedArtifact			RelatedArtifact
Task.input.value[x].valueTriggerDefinition			TriggerDefinition
Task.input.value[x].valueUsageContext			UsageContext
Task.input.value[x].valueDosage			Dosage
Task.input.value[x].valueMeta			Meta
Task.output		0..*	BackboneElement	CommunicationRequest and/or QuestionnaireResponse references
Task.output.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.output.type		1..1	CodeableConcept	Label for output Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Identified issues", "Preliminary results", "Filler order", "Final results", etc.
Task.output.value[x]		1..1		Result of output
Task.output.value[x].valueBase64Binary			base64Binary
Task.output.value[x].valueBoolean			boolean
Task.output.value[x].valueCanonical			canonical(Any)
Task.output.value[x].valueCode			code
Task.output.value[x].valueDate			date
Task.output.value[x].valueDateTime			dateTime
Task.output.value[x].valueDecimal			decimal
Task.output.value[x].valueId			id
Task.output.value[x].valueInstant			instant
Task.output.value[x].valueInteger			integer
Task.output.value[x].valueMarkdown			markdown
Task.output.value[x].valueOid			oid
Task.output.value[x].valuePositiveInt			positiveInt
Task.output.value[x].valueString			string
Task.output.value[x].valueTime			time
Task.output.value[x].valueUnsignedInt			unsignedInt
Task.output.value[x].valueUri			uri
Task.output.value[x].valueUrl			url
Task.output.value[x].valueUuid			uuid
Task.output.value[x].valueAddress			Address
Task.output.value[x].valueAge			Age
Task.output.value[x].valueAnnotation			Annotation
Task.output.value[x].valueAttachment			Attachment
Task.output.value[x].valueCodeableConcept			CodeableConcept
Task.output.value[x].valueCoding			Coding
Task.output.value[x].valueContactPoint			ContactPoint
Task.output.value[x].valueCount			Count
Task.output.value[x].valueDistance			Distance
Task.output.value[x].valueDuration			Duration
Task.output.value[x].valueHumanName			HumanName
Task.output.value[x].valueIdentifier			Identifier
Task.output.value[x].valueMoney			Money
Task.output.value[x].valuePeriod			Period
Task.output.value[x].valueQuantity			Quantity
Task.output.value[x].valueRange			Range
Task.output.value[x].valueRatio			Ratio
Task.output.value[x].valueReference			Reference(Any)
Task.output.value[x].valueSampledData			SampledData
Task.output.value[x].valueSignature			Signature
Task.output.value[x].valueTiming			Timing
Task.output.value[x].valueContactDetail			ContactDetail
Task.output.value[x].valueContributor			Contributor
Task.output.value[x].valueDataRequirement			DataRequirement
Task.output.value[x].valueExpression			Expression
Task.output.value[x].valueParameterDefinition			ParameterDefinition
Task.output.value[x].valueRelatedArtifact			RelatedArtifact
Task.output.value[x].valueTriggerDefinition			TriggerDefinition
Task.output.value[x].valueUsageContext			UsageContext
Task.output.value[x].valueDosage			Dosage
Task.output.value[x].valueMeta			Meta
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Task.status	Base	required	TaskStatus	📍4.0.1	FHIR Std.
Task.businessStatus	Base	example		Not State	Unknown
Task.intent	Base	required	TaskIntent	📍4.0.1	FHIR Std.
Task.input.type	Base	example		Not State	Unknown
Task.output.type	Base	example		Not State	Unknown

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	Task	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	Task	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Task	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Task	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	Task	A resource should have narrative for robust management	text.`div`.exists()
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	Task	Last modified date must be greater than or equal to authored-on date.	lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn

Differential View

This structure is derived from Task

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Task		0..*	Task	Single questionnaire dispatch
Task.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Task.Slices for extension.extension:deliveryTime		0..1	dateTime	Actual delivery timestamp (orchestrator-stamped) URL: https://projo.evoleen.com/fhir/StructureDefinition/delivery-time
Task.basedOn		1..1	Reference(Resource)	CarePlan that produced this Task (via $apply)
Task.status		1..1	code	requested | ready | accepted | in-progress | completed | cancelled
Task.businessStatus		1..1	CodeableConcept	Projo lifecycle state (task-business-status code system)
Task.businessStatus.coding		1..*	Coding	Code defined by a terminology system
Task.businessStatus.coding.system		1..1	uri	Identity of the terminology system Fixed Value: https://projo.evoleen.com/fhir/CodeSystem/task-business-status (no extensions allowed)
Task.businessStatus.coding.code		1..1	code	Symbol in syntax defined by the system
Task.intent		1..1	code	Always 'order' Fixed Value: order (no extensions allowed)
Task.for		1..1	Reference(Resource)	Patient / Practitioner / RelatedPerson — the questionnaire recipient
Task.restriction		1..1	BackboneElement	Constraints on fulfillment tasks
Task.restriction.period		1..1	Period	Scheduled/delivery window
Task.input		1..*	BackboneElement	Questionnaire reference (valueReference)
Task.output		0..*	BackboneElement	CommunicationRequest and/or QuestionnaireResponse references
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Task	C	0..*	Task	Single questionnaire dispatch Constraints: inv-1
Task.id	Σ This element is included in summaries.	0..1	id	Logical id of this artifact
Task.meta	Σ This element is included in summaries.	0..1	Meta	Metadata about the resource
Task.implicitRules	?! This element is a modifier element. Σ This element is included in summaries.	0..1	uri	A set of rules under which this content was created
Task.language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
Task.text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Task.contained		0..*	Resource	Contained, inline Resources
Task.Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Task.Slices for extension.extension:deliveryTime		0..1	dateTime	Actual delivery timestamp (orchestrator-stamped) URL: https://projo.evoleen.com/fhir/StructureDefinition/delivery-time
Task.modifierExtension	?! This element is a modifier element.	0..*	Extension	Extensions that cannot be ignored
Task.identifier		0..*	Identifier	Task Instance Identifier
Task.instantiatesCanonical	Σ This element is included in summaries.	0..1	canonical(ActivityDefinition)	Formal definition of task
Task.instantiatesUri	Σ This element is included in summaries.	0..1	uri	Formal definition of task
Task.basedOn	Σ This element is included in summaries.	1..1	Reference(Resource)	CarePlan that produced this Task (via $apply)
Task.groupIdentifier	Σ This element is included in summaries.	0..1	Identifier	Requisition or grouper id
Task.partOf	Σ This element is included in summaries.	0..*	Reference(Task)	Composite task
Task.status	?! This element is a modifier element. Σ This element is included in summaries.	1..1	code	requested | ready | accepted | in-progress | completed | cancelled Binding: TaskStatus (required): The current status of the task.
Task.statusReason	Σ This element is included in summaries.	0..1	CodeableConcept	Reason for current status Binding Description: (example): Codes to identify the reason for current status. These will typically be specific to a particular workflow.
Task.businessStatus	Σ This element is included in summaries.	1..1	CodeableConcept	Projo lifecycle state (task-business-status code system) Binding Description: (example): The domain-specific business-contextual sub-state of the task. For example: "Blood drawn", "IV inserted", "Awaiting physician signature", etc.
Task.businessStatus.id		0..1	string	Unique id for inter-element referencing
Task.businessStatus.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Task.businessStatus.coding	Σ This element is included in summaries.	1..*	Coding	Code defined by a terminology system
Task.businessStatus.coding.id		0..1	string	Unique id for inter-element referencing
Task.businessStatus.coding.extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Task.businessStatus.coding.system	Σ This element is included in summaries.	1..1	uri	Identity of the terminology system Fixed Value: https://projo.evoleen.com/fhir/CodeSystem/task-business-status (no extensions allowed)
Task.businessStatus.coding.version	Σ This element is included in summaries.	0..1	string	Version of the system - if relevant
Task.businessStatus.coding.code	Σ This element is included in summaries.	1..1	code	Symbol in syntax defined by the system
Task.businessStatus.coding.display	Σ This element is included in summaries.	0..1	string	Representation defined by the system
Task.businessStatus.coding.userSelected	Σ This element is included in summaries.	0..1	boolean	If this coding was chosen directly by the user
Task.businessStatus.text	Σ This element is included in summaries.	0..1	string	Plain text representation of the concept
Task.intent	Σ This element is included in summaries.	1..1	code	Always 'order' Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order. Fixed Value: order (no extensions allowed)
Task.priority		0..1	code	routine | urgent | asap | stat Binding: RequestPriority (required): The task's priority.
Task.code	Σ This element is included in summaries.	0..1	CodeableConcept	Task Type Binding: TaskCode (example): Codes to identify what the task involves. These will typically be specific to a particular workflow.
Task.description	Σ This element is included in summaries.	0..1	string	Human-readable explanation of task
Task.focus	Σ This element is included in summaries.	0..1	Reference(Resource)	What task is acting on
Task.for	Σ This element is included in summaries.	1..1	Reference(Resource)	Patient / Practitioner / RelatedPerson — the questionnaire recipient
Task.encounter	Σ This element is included in summaries.	0..1	Reference(Encounter)	Healthcare event during which this task originated
Task.executionPeriod	Σ This element is included in summaries.	0..1	Period	Start and end time of execution
Task.authoredOn	C	0..1	dateTime	Task Creation Date
Task.lastModified	Σ This element is included in summaries. C	0..1	dateTime	Task Last Modified Date
Task.requester	Σ This element is included in summaries.	0..1	Reference(Device | Organization | Patient | Practitioner | PractitionerRole | RelatedPerson)	Who is asking for task to be done
Task.performerType		0..*	CodeableConcept	Requested performer Binding: ProcedurePerformerRoleCodes (preferred): The type(s) of task performers allowed.
Task.owner	Σ This element is included in summaries.	0..1	Reference(Practitioner | PractitionerRole | Organization | CareTeam | HealthcareService | Patient | Device | RelatedPerson)	Responsible individual
Task.location	Σ This element is included in summaries.	0..1	Reference(Location)	Where task occurs
Task.reasonCode		0..1	CodeableConcept	Why task is needed Binding Description: (example): Indicates why the task is needed. E.g. Suspended because patient admitted to hospital.
Task.reasonReference		0..1	Reference(Resource)	Why task is needed
Task.insurance		0..*	Reference(Coverage | ClaimResponse)	Associated insurance coverage
Task.note		0..*	Annotation	Comments made about the task
Task.relevantHistory		0..*	Reference(Provenance)	Key events in history of the Task
Task.restriction		1..1	BackboneElement	Constraints on fulfillment tasks
Task.restriction.id		0..1	string	Unique id for inter-element referencing
Task.restriction.extension		0..*	Extension	Additional content defined by implementations
Task.restriction.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.restriction.repetitions		0..1	positiveInt	How many times to repeat
Task.restriction.period		1..1	Period	Scheduled/delivery window
Task.restriction.recipient		0..*	Reference(Patient | Practitioner | PractitionerRole | RelatedPerson | Group | Organization)	For whom is fulfillment sought?
Task.input		1..*	BackboneElement	Questionnaire reference (valueReference)
Task.input.id		0..1	string	Unique id for inter-element referencing
Task.input.extension		0..*	Extension	Additional content defined by implementations
Task.input.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.input.type		1..1	CodeableConcept	Label for the input Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Comparison source", "Applicable consent", "Concomitent Medications", etc.
Task.input.value[x]		1..1		Content to use in performing the task
Task.input.value[x].valueBase64Binary			base64Binary
Task.input.value[x].valueBoolean			boolean
Task.input.value[x].valueCanonical			canonical(Any)
Task.input.value[x].valueCode			code
Task.input.value[x].valueDate			date
Task.input.value[x].valueDateTime			dateTime
Task.input.value[x].valueDecimal			decimal
Task.input.value[x].valueId			id
Task.input.value[x].valueInstant			instant
Task.input.value[x].valueInteger			integer
Task.input.value[x].valueMarkdown			markdown
Task.input.value[x].valueOid			oid
Task.input.value[x].valuePositiveInt			positiveInt
Task.input.value[x].valueString			string
Task.input.value[x].valueTime			time
Task.input.value[x].valueUnsignedInt			unsignedInt
Task.input.value[x].valueUri			uri
Task.input.value[x].valueUrl			url
Task.input.value[x].valueUuid			uuid
Task.input.value[x].valueAddress			Address
Task.input.value[x].valueAge			Age
Task.input.value[x].valueAnnotation			Annotation
Task.input.value[x].valueAttachment			Attachment
Task.input.value[x].valueCodeableConcept			CodeableConcept
Task.input.value[x].valueCoding			Coding
Task.input.value[x].valueContactPoint			ContactPoint
Task.input.value[x].valueCount			Count
Task.input.value[x].valueDistance			Distance
Task.input.value[x].valueDuration			Duration
Task.input.value[x].valueHumanName			HumanName
Task.input.value[x].valueIdentifier			Identifier
Task.input.value[x].valueMoney			Money
Task.input.value[x].valuePeriod			Period
Task.input.value[x].valueQuantity			Quantity
Task.input.value[x].valueRange			Range
Task.input.value[x].valueRatio			Ratio
Task.input.value[x].valueReference			Reference(Any)
Task.input.value[x].valueSampledData			SampledData
Task.input.value[x].valueSignature			Signature
Task.input.value[x].valueTiming			Timing
Task.input.value[x].valueContactDetail			ContactDetail
Task.input.value[x].valueContributor			Contributor
Task.input.value[x].valueDataRequirement			DataRequirement
Task.input.value[x].valueExpression			Expression
Task.input.value[x].valueParameterDefinition			ParameterDefinition
Task.input.value[x].valueRelatedArtifact			RelatedArtifact
Task.input.value[x].valueTriggerDefinition			TriggerDefinition
Task.input.value[x].valueUsageContext			UsageContext
Task.input.value[x].valueDosage			Dosage
Task.input.value[x].valueMeta			Meta
Task.output		0..*	BackboneElement	CommunicationRequest and/or QuestionnaireResponse references
Task.output.id		0..1	string	Unique id for inter-element referencing
Task.output.extension		0..*	Extension	Additional content defined by implementations
Task.output.modifierExtension	?! This element is a modifier element. Σ This element is included in summaries.	0..*	Extension	Extensions that cannot be ignored even if unrecognized
Task.output.type		1..1	CodeableConcept	Label for output Binding Description: (example): Codes to identify types of input parameters. These will typically be specific to a particular workflow. E.g. "Identified issues", "Preliminary results", "Filler order", "Final results", etc.
Task.output.value[x]		1..1		Result of output
Task.output.value[x].valueBase64Binary			base64Binary
Task.output.value[x].valueBoolean			boolean
Task.output.value[x].valueCanonical			canonical(Any)
Task.output.value[x].valueCode			code
Task.output.value[x].valueDate			date
Task.output.value[x].valueDateTime			dateTime
Task.output.value[x].valueDecimal			decimal
Task.output.value[x].valueId			id
Task.output.value[x].valueInstant			instant
Task.output.value[x].valueInteger			integer
Task.output.value[x].valueMarkdown			markdown
Task.output.value[x].valueOid			oid
Task.output.value[x].valuePositiveInt			positiveInt
Task.output.value[x].valueString			string
Task.output.value[x].valueTime			time
Task.output.value[x].valueUnsignedInt			unsignedInt
Task.output.value[x].valueUri			uri
Task.output.value[x].valueUrl			url
Task.output.value[x].valueUuid			uuid
Task.output.value[x].valueAddress			Address
Task.output.value[x].valueAge			Age
Task.output.value[x].valueAnnotation			Annotation
Task.output.value[x].valueAttachment			Attachment
Task.output.value[x].valueCodeableConcept			CodeableConcept
Task.output.value[x].valueCoding			Coding
Task.output.value[x].valueContactPoint			ContactPoint
Task.output.value[x].valueCount			Count
Task.output.value[x].valueDistance			Distance
Task.output.value[x].valueDuration			Duration
Task.output.value[x].valueHumanName			HumanName
Task.output.value[x].valueIdentifier			Identifier
Task.output.value[x].valueMoney			Money
Task.output.value[x].valuePeriod			Period
Task.output.value[x].valueQuantity			Quantity
Task.output.value[x].valueRange			Range
Task.output.value[x].valueRatio			Ratio
Task.output.value[x].valueReference			Reference(Any)
Task.output.value[x].valueSampledData			SampledData
Task.output.value[x].valueSignature			Signature
Task.output.value[x].valueTiming			Timing
Task.output.value[x].valueContactDetail			ContactDetail
Task.output.value[x].valueContributor			Contributor
Task.output.value[x].valueDataRequirement			DataRequirement
Task.output.value[x].valueExpression			Expression
Task.output.value[x].valueParameterDefinition			ParameterDefinition
Task.output.value[x].valueRelatedArtifact			RelatedArtifact
Task.output.value[x].valueTriggerDefinition			TriggerDefinition
Task.output.value[x].valueUsageContext			UsageContext
Task.output.value[x].valueDosage			Dosage
Task.output.value[x].valueMeta			Meta
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
Task.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
Task.status	Base	required	TaskStatus	📍4.0.1	FHIR Std.
Task.statusReason	Base	example		Not State	Unknown
Task.businessStatus	Base	example		Not State	Unknown
Task.intent	Base	required	TaskIntent	📍4.0.1	FHIR Std.
Task.priority	Base	required	Request priority	📍4.0.1	FHIR Std.
Task.code	Base	example	Task Codes	📍4.0.1	FHIR Std.
Task.performerType	Base	preferred	Procedure Performer Role Codes	📍4.0.1	FHIR Std.
Task.reasonCode	Base	example		Not State	Unknown
Task.input.type	Base	example		Not State	Unknown
Task.output.type	Base	example		Not State	Unknown

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	Task	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	Task	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Task	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Task	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	Task	A resource should have narrative for robust management	text.`div`.exists()
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	Task	Last modified date must be greater than or equal to authored-on date.	lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn

This structure is derived from Task

Summary

Mandatory: 9 elements
Fixed: 2 elements

Extensions

This structure refers to these extensions:

• https://projo.evoleen.com/fhir/StructureDefinition/delivery-time