STU 3 Candidate
This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
. Page versions: R5 R4B R4 R3
StructureDefinition for task
{
"resourceType": "StructureDefinition",
"id": "Task",
"meta": {
"lastUpdated": "2016-03-31T08:01:25.570+11:00"
},
"text": {
"status": "generated",
"div": "<div>!-- Snipped for Brevity --></div>"
},
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger": 0
}
],
"url": "http://hl7.org/fhir/StructureDefinition/Task",
"name": "Task",
"status": "draft",
"publisher": "Health Level Seven International (Orders and Observations)",
"contact": [
{
"telecom": [
{
"system": "other",
"value": "http://hl7.org/fhir"
}
]
},
{
"telecom": [
{
"system": "other",
"value": "http://www.hl7.org/Special/committees/orders/index.cfm"
}
]
}
],
"date": "2016-03-31T08:01:25+11:00",
"description": "Base StructureDefinition for Task Resource",
"fhirVersion": "1.4.0",
"mapping": [
{
"identity": "w5",
"uri": "http://hl7.org/fhir/w5",
"name": "W5 Mapping"
},
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM"
}
],
"kind": "resource",
"abstract": false,
"baseType": "DomainResource",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/DomainResource",
"derivation": "specialization",
"snapshot": {
"element": [
{
"path": "Task",
"short": "A task to be performed",
"definition": "A task to be performed.",
"min": 0,
"max": "*",
"type": [
{
"code": "DomainResource"
}
],
"constraint": [
{
"key": "inv-2",
"severity": "error",
"human": "A Failure reason may be present only when a task has failed.",
"expression": "failureReason.empty() or status = 'failed'",
"xpath": "not(exists(f:failureReason)) or f:status/@value = 'failed'"
},
{
"key": "inv-1",
"severity": "error",
"human": "Last modified date must be greater than or equal to created date.",
"expression": "lastModified >= created",
"xpath": "f:lastModified >= f:created"
}
],
"mapping": [
{
"identity": "w5",
"map": "workflow.order"
}
]
},
{
"path": "Task.id",
"short": "Logical id of this artifact",
"definition": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
"comments": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation. Bundles always have an id, though it is usually a generated UUID.",
"min": 0,
"max": "1",
"base": {
"path": "Resource.id",
"min": 0,
"max": "*"
},
"type": [
{
"code": "id"
}
],
"isSummary": true
},
{
"path": "Task.meta",
"short": "Metadata about the resource",
"definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource.",
"min": 0,
"max": "1",
"base": {
"path": "Resource.meta",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Meta"
}
],
"isSummary": true
},
{
"path": "Task.implicitRules",
"short": "A set of rules under which this content was created",
"definition": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content.",
"comments": "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element as much as possible.",
"min": 0,
"max": "1",
"base": {
"path": "Resource.implicitRules",
"min": 0,
"max": "*"
},
"type": [
{
"code": "uri"
}
],
"isModifier": true,
"isSummary": true
},
{
"path": "Task.language",
"short": "Language of the resource content",
"definition": "The base language in which the resource is written.",
"comments": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
"min": 0,
"max": "1",
"base": {
"path": "Resource.language",
"min": 0,
"max": "*"
},
"type": [
{
"code": "code"
}
],
"binding": {
"strength": "required",
"description": "A human language.",
"valueSetUri": "http://tools.ietf.org/html/bcp47"
}
},
{
"path": "Task.text",
"short": "Text summary of the resource, for human interpretation",
"definition": "A human-readable narrative that contains a summary of the resource, and may be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
"comments": "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative.",
"alias": [
"narrative",
"html",
"xhtml",
"display"
],
"min": 0,
"max": "1",
"base": {
"path": "DomainResource.text",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Narrative"
}
],
"condition": [
"dom-1"
],
"mapping": [
{
"identity": "rim",
"map": "Act.text?"
}
]
},
{
"path": "Task.contained",
"short": "Contained, inline Resources",
"definition": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
"comments": "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again.",
"alias": [
"inline resources",
"anonymous resources",
"contained resources"
],
"min": 0,
"max": "*",
"base": {
"path": "DomainResource.contained",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Resource"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "Task.extension",
"short": "Additional Content defined by implementations",
"definition": "May be used to represent additional information that is not part of the basic definition of the resource. 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.",
"comments": "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": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "DomainResource.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "Task.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the resource, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.",
"comments": "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": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "DomainResource.modifierExtension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "Task.identifier",
"short": "Task Instance Identifier",
"definition": "The business identifier for this task.",
"min": 0,
"max": "1",
"type": [
{
"code": "Identifier"
}
]
},
{
"path": "Task.type",
"short": "Task Type",
"definition": "A name or code (or both) briefly describing what the task involves.",
"min": 0,
"max": "1",
"type": [
{
"code": "CodeableConcept"
}
],
"isSummary": true
},
{
"path": "Task.description",
"short": "Task Description",
"definition": "A description of this task.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true
},
{
"path": "Task.performerType",
"short": "requester | dispatcher | scheduler | performer | monitor | manager | acquirer | reviewer",
"definition": "The type of participant that can execute the task.",
"requirements": "Use to distinguish tasks on different activity queues.",
"min": 0,
"max": "*",
"type": [
{
"code": "Coding"
}
],
"binding": {
"strength": "preferred",
"description": "The type(s) of task performers allowed",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/task-performer-type"
}
}
},
{
"path": "Task.priority",
"short": "low | normal | high",
"definition": "The priority of the task among other tasks of the same type.",
"requirements": "Used to identify the service level expected while performing a task.",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"meaningWhenMissing": "If missing, this task should be performed with normal priority",
"binding": {
"strength": "required",
"description": "The task's priority",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/task-priority"
}
}
},
{
"path": "Task.status",
"short": "draft | requested | received | accepted | +",
"definition": "The current status of the task.",
"requirements": "These states enable coordination of task status with off-the-shelf workflow solutions that support automation of tasks.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"condition": [
"inv-2"
],
"isSummary": true,
"binding": {
"strength": "required",
"description": "The current status of the task.",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/task-status"
}
}
},
{
"path": "Task.failureReason",
"short": "Task Failure Reason",
"definition": "An explaination as to why this task failed.",
"min": 0,
"max": "1",
"type": [
{
"code": "CodeableConcept"
}
],
"condition": [
"inv-2"
],
"isSummary": true
},
{
"path": "Task.subject",
"short": "Task Subject",
"definition": "The subject of the task.",
"requirements": "Used to identify the thing to be done (not the beneficiary -- see for below).",
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Resource"
]
}
]
},
{
"path": "Task.for",
"short": "Beneficiary of the Task",
"definition": "The entity who benefits from the performance of the service specified in the task (e.g., the patient).",
"requirements": "Used to track tasks outstanding for a beneficiary. Do not use to track the task owner or creator (see owner and creator respectively).",
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Resource"
]
}
],
"isSummary": true
},
{
"path": "Task.definition",
"short": "Task Definition",
"definition": "A reference to a formal or informal definition of the task.",
"requirements": "Enables a formal definition of how he task is to be performed (e.g. using BPMN, BPEL, XPDL or other formal notation) to be associated with a task, enabling automation.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true
},
{
"path": "Task.created",
"short": "Task Creation Date",
"definition": "The date and time this task was created.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Most often used along with lastUpdated to track duration of task to supporting monitoring and management.",
"alias": [
"Created Date"
],
"min": 1,
"max": "1",
"type": [
{
"code": "dateTime"
}
],
"condition": [
"inv-1"
]
},
{
"path": "Task.lastModified",
"short": "Task Last Modified Date",
"definition": "The date and time of last modification to this task.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Used along with history to track task activity and time in a particular task state. This enables monitoring and management.",
"alias": [
"Update Date"
],
"min": 1,
"max": "1",
"type": [
{
"code": "dateTime"
}
],
"condition": [
"inv-1"
],
"isSummary": true
},
{
"path": "Task.creator",
"short": "Task Creator",
"definition": "The creator of the task.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Identifies who created this task. May be used by access control mechanisms (e.g., to ensure that only the creator can cancel a task).",
"alias": [
"Initiator",
"Author"
],
"min": 1,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Device"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Organization"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Patient"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Practitioner"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/RelatedPerson"
]
}
]
},
{
"path": "Task.owner",
"short": "Task Owner",
"definition": "The owner of this task. The participant who can execute this task.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Identifies who is expected to perform this task.",
"alias": [
"Performer",
"Executer"
],
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Device"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Organization"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Patient"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Practitioner"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/RelatedPerson"
]
}
]
},
{
"path": "Task.parent",
"short": "Composite task",
"definition": "Task that this particular task is part of.",
"requirements": "Allows tasks to be broken down into sub-steps (and this division can occur independent of the original task).",
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Task"
]
}
]
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "Parameter"
}
],
"path": "Task.input",
"short": "Task Input",
"definition": "Inputs to the task.",
"requirements": "Resources and data used to perform the task. This data is used in the business logic of task execution, and is stored separately because it varies between workflows.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "Task.input.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "*"
},
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "Task.input.extension",
"short": "Additional Content defined by implementations",
"definition": "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.",
"comments": "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": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "Task.input.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.",
"comments": "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": [
"extensions",
"user content",
"modifiers"
],
"min": 0,
"max": "*",
"base": {
"path": "BackboneElement.modifierExtension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "Task.input.name",
"short": "Input Name",
"definition": "The name of the input parameter.",
"requirements": "Inputs are named to enable task automation to bind data and pass it from one task to the next.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "Task.input.value[x]",
"short": "Input Value",
"definition": "The value of the input parameter as a basic type.",
"requirements": "Task inputs can take any form.",
"min": 1,
"max": "1",
"type": [
{
"code": "boolean"
},
{
"code": "integer"
},
{
"code": "decimal"
},
{
"code": "base64Binary"
},
{
"code": "instant"
},
{
"code": "string"
},
{
"code": "uri"
},
{
"code": "date"
},
{
"code": "dateTime"
},
{
"code": "time"
},
{
"code": "code"
},
{
"code": "oid"
},
{
"code": "id"
},
{
"code": "unsignedInt"
},
{
"code": "positiveInt"
},
{
"code": "markdown"
},
{
"code": "Annotation"
},
{
"code": "Attachment"
},
{
"code": "Identifier"
},
{
"code": "CodeableConcept"
},
{
"code": "Coding"
},
{
"code": "Quantity"
},
{
"code": "Range"
},
{
"code": "Period"
},
{
"code": "Ratio"
},
{
"code": "SampledData"
},
{
"code": "Signature"
},
{
"code": "HumanName"
},
{
"code": "Address"
},
{
"code": "ContactPoint"
},
{
"code": "Timing"
},
{
"code": "Reference"
},
{
"code": "Meta"
}
]
},
{
"path": "Task.output",
"short": "Task Output",
"definition": "Outputs produced by the Task.",
"requirements": "Resources and data produced during the execution the task. This data is generated by the business logic of task execution, and is stored separately because it varies between workflows.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "Task.output.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"definition": "unique id for the element within a resource (for internal references).",
"min": 0,
"max": "1",
"base": {
"path": "Element.id",
"min": 0,
"max": "*"
},
"type": [
{
"code": "id"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "Task.output.extension",
"short": "Additional Content defined by implementations",
"definition": "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.",
"comments": "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": [
"extensions",
"user content"
],
"min": 0,
"max": "*",
"base": {
"path": "Element.extension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
},
{
"path": "Task.output.modifierExtension",
"short": "Extensions that cannot be ignored",
"definition": "May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.",
"comments": "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": [
"extensions",
"user content",
"modifiers"
],
"min": 0,
"max": "*",
"base": {
"path": "BackboneElement.modifierExtension",
"min": 0,
"max": "*"
},
"type": [
{
"code": "Extension"
}
],
"isModifier": true,
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": "N/A"
}
]
},
{
"path": "Task.output.name",
"short": "Output Name",
"definition": "The name of the Output parameter.",
"requirements": "Outputs are named to enable task automation to bind data and pass it from one task to the next.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "Task.output.value[x]",
"short": "Output Value",
"definition": "The value of the Output parameter as a basic type.",
"requirements": "Task outputs can take any form.",
"min": 1,
"max": "1",
"type": [
{
"code": "boolean"
},
{
"code": "integer"
},
{
"code": "decimal"
},
{
"code": "base64Binary"
},
{
"code": "instant"
},
{
"code": "string"
},
{
"code": "uri"
},
{
"code": "date"
},
{
"code": "dateTime"
},
{
"code": "time"
},
{
"code": "code"
},
{
"code": "oid"
},
{
"code": "id"
},
{
"code": "unsignedInt"
},
{
"code": "positiveInt"
},
{
"code": "markdown"
},
{
"code": "Annotation"
},
{
"code": "Attachment"
},
{
"code": "Identifier"
},
{
"code": "CodeableConcept"
},
{
"code": "Coding"
},
{
"code": "Quantity"
},
{
"code": "Range"
},
{
"code": "Period"
},
{
"code": "Ratio"
},
{
"code": "SampledData"
},
{
"code": "Signature"
},
{
"code": "HumanName"
},
{
"code": "Address"
},
{
"code": "ContactPoint"
},
{
"code": "Timing"
},
{
"code": "Reference"
},
{
"code": "Meta"
}
]
}
]
},
"differential": {
"element": [
{
"path": "Task",
"short": "A task to be performed",
"definition": "A task to be performed.",
"min": 0,
"max": "*",
"type": [
{
"code": "DomainResource"
}
],
"constraint": [
{
"key": "inv-2",
"severity": "error",
"human": "A Failure reason may be present only when a task has failed.",
"expression": "failureReason.empty() or status = 'failed'",
"xpath": "not(exists(f:failureReason)) or f:status/@value = 'failed'"
},
{
"key": "inv-1",
"severity": "error",
"human": "Last modified date must be greater than or equal to created date.",
"expression": "lastModified >= created",
"xpath": "f:lastModified >= f:created"
}
],
"mapping": [
{
"identity": "w5",
"map": "workflow.order"
}
]
},
{
"path": "Task.identifier",
"short": "Task Instance Identifier",
"definition": "The business identifier for this task.",
"min": 0,
"max": "1",
"type": [
{
"code": "Identifier"
}
]
},
{
"path": "Task.type",
"short": "Task Type",
"definition": "A name or code (or both) briefly describing what the task involves.",
"min": 0,
"max": "1",
"type": [
{
"code": "CodeableConcept"
}
],
"isSummary": true
},
{
"path": "Task.description",
"short": "Task Description",
"definition": "A description of this task.",
"min": 0,
"max": "1",
"type": [
{
"code": "string"
}
],
"isSummary": true
},
{
"path": "Task.performerType",
"short": "requester | dispatcher | scheduler | performer | monitor | manager | acquirer | reviewer",
"definition": "The type of participant that can execute the task.",
"requirements": "Use to distinguish tasks on different activity queues.",
"min": 0,
"max": "*",
"type": [
{
"code": "Coding"
}
],
"binding": {
"strength": "preferred",
"description": "The type(s) of task performers allowed",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/task-performer-type"
}
}
},
{
"path": "Task.priority",
"short": "low | normal | high",
"definition": "The priority of the task among other tasks of the same type.",
"requirements": "Used to identify the service level expected while performing a task.",
"min": 0,
"max": "1",
"type": [
{
"code": "code"
}
],
"meaningWhenMissing": "If missing, this task should be performed with normal priority",
"binding": {
"strength": "required",
"description": "The task's priority",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/task-priority"
}
}
},
{
"path": "Task.status",
"short": "draft | requested | received | accepted | +",
"definition": "The current status of the task.",
"requirements": "These states enable coordination of task status with off-the-shelf workflow solutions that support automation of tasks.",
"min": 1,
"max": "1",
"type": [
{
"code": "code"
}
],
"condition": [
"inv-2"
],
"isSummary": true,
"binding": {
"strength": "required",
"description": "The current status of the task.",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/task-status"
}
}
},
{
"path": "Task.failureReason",
"short": "Task Failure Reason",
"definition": "An explaination as to why this task failed.",
"min": 0,
"max": "1",
"type": [
{
"code": "CodeableConcept"
}
],
"condition": [
"inv-2"
],
"isSummary": true
},
{
"path": "Task.subject",
"short": "Task Subject",
"definition": "The subject of the task.",
"requirements": "Used to identify the thing to be done (not the beneficiary -- see for below).",
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Resource"
]
}
]
},
{
"path": "Task.for",
"short": "Beneficiary of the Task",
"definition": "The entity who benefits from the performance of the service specified in the task (e.g., the patient).",
"requirements": "Used to track tasks outstanding for a beneficiary. Do not use to track the task owner or creator (see owner and creator respectively).",
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Resource"
]
}
],
"isSummary": true
},
{
"path": "Task.definition",
"short": "Task Definition",
"definition": "A reference to a formal or informal definition of the task.",
"requirements": "Enables a formal definition of how he task is to be performed (e.g. using BPMN, BPEL, XPDL or other formal notation) to be associated with a task, enabling automation.",
"min": 0,
"max": "1",
"type": [
{
"code": "uri"
}
],
"isSummary": true
},
{
"path": "Task.created",
"short": "Task Creation Date",
"definition": "The date and time this task was created.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Most often used along with lastUpdated to track duration of task to supporting monitoring and management.",
"alias": [
"Created Date"
],
"min": 1,
"max": "1",
"type": [
{
"code": "dateTime"
}
],
"condition": [
"inv-1"
]
},
{
"path": "Task.lastModified",
"short": "Task Last Modified Date",
"definition": "The date and time of last modification to this task.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Used along with history to track task activity and time in a particular task state. This enables monitoring and management.",
"alias": [
"Update Date"
],
"min": 1,
"max": "1",
"type": [
{
"code": "dateTime"
}
],
"condition": [
"inv-1"
],
"isSummary": true
},
{
"path": "Task.creator",
"short": "Task Creator",
"definition": "The creator of the task.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Identifies who created this task. May be used by access control mechanisms (e.g., to ensure that only the creator can cancel a task).",
"alias": [
"Initiator",
"Author"
],
"min": 1,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Device"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Organization"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Patient"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Practitioner"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/RelatedPerson"
]
}
]
},
{
"path": "Task.owner",
"short": "Task Owner",
"definition": "The owner of this task. The participant who can execute this task.",
"comments": "This information duplicates what appear in Provenance but is often needs to be more accessible.",
"requirements": "Identifies who is expected to perform this task.",
"alias": [
"Performer",
"Executer"
],
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Device"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Organization"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Patient"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Practitioner"
]
},
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/RelatedPerson"
]
}
]
},
{
"path": "Task.parent",
"short": "Composite task",
"definition": "Task that this particular task is part of.",
"requirements": "Allows tasks to be broken down into sub-steps (and this division can occur independent of the original task).",
"min": 0,
"max": "1",
"type": [
{
"code": "Reference",
"profile": [
"http://hl7.org/fhir/StructureDefinition/Task"
]
}
]
},
{
"extension": [
{
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
"valueString": "Parameter"
}
],
"path": "Task.input",
"short": "Task Input",
"definition": "Inputs to the task.",
"requirements": "Resources and data used to perform the task. This data is used in the business logic of task execution, and is stored separately because it varies between workflows.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "Task.input.name",
"short": "Input Name",
"definition": "The name of the input parameter.",
"requirements": "Inputs are named to enable task automation to bind data and pass it from one task to the next.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "Task.input.value[x]",
"short": "Input Value",
"definition": "The value of the input parameter as a basic type.",
"requirements": "Task inputs can take any form.",
"min": 1,
"max": "1",
"type": [
{
"code": "boolean"
},
{
"code": "integer"
},
{
"code": "decimal"
},
{
"code": "base64Binary"
},
{
"code": "instant"
},
{
"code": "string"
},
{
"code": "uri"
},
{
"code": "date"
},
{
"code": "dateTime"
},
{
"code": "time"
},
{
"code": "code"
},
{
"code": "oid"
},
{
"code": "id"
},
{
"code": "unsignedInt"
},
{
"code": "positiveInt"
},
{
"code": "markdown"
},
{
"code": "Annotation"
},
{
"code": "Attachment"
},
{
"code": "Identifier"
},
{
"code": "CodeableConcept"
},
{
"code": "Coding"
},
{
"code": "Quantity"
},
{
"code": "Range"
},
{
"code": "Period"
},
{
"code": "Ratio"
},
{
"code": "SampledData"
},
{
"code": "Signature"
},
{
"code": "HumanName"
},
{
"code": "Address"
},
{
"code": "ContactPoint"
},
{
"code": "Timing"
},
{
"code": "Reference"
},
{
"code": "Meta"
}
]
},
{
"path": "Task.output",
"short": "Task Output",
"definition": "Outputs produced by the Task.",
"requirements": "Resources and data produced during the execution the task. This data is generated by the business logic of task execution, and is stored separately because it varies between workflows.",
"min": 0,
"max": "*",
"type": [
{
"code": "BackboneElement"
}
]
},
{
"path": "Task.output.name",
"short": "Output Name",
"definition": "The name of the Output parameter.",
"requirements": "Outputs are named to enable task automation to bind data and pass it from one task to the next.",
"min": 1,
"max": "1",
"type": [
{
"code": "string"
}
]
},
{
"path": "Task.output.value[x]",
"short": "Output Value",
"definition": "The value of the Output parameter as a basic type.",
"requirements": "Task outputs can take any form.",
"min": 1,
"max": "1",
"type": [
{
"code": "boolean"
},
{
"code": "integer"
},
{
"code": "decimal"
},
{
"code": "base64Binary"
},
{
"code": "instant"
},
{
"code": "string"
},
{
"code": "uri"
},
{
"code": "date"
},
{
"code": "dateTime"
},
{
"code": "time"
},
{
"code": "code"
},
{
"code": "oid"
},
{
"code": "id"
},
{
"code": "unsignedInt"
},
{
"code": "positiveInt"
},
{
"code": "markdown"
},
{
"code": "Annotation"
},
{
"code": "Attachment"
},
{
"code": "Identifier"
},
{
"code": "CodeableConcept"
},
{
"code": "Coding"
},
{
"code": "Quantity"
},
{
"code": "Range"
},
{
"code": "Period"
},
{
"code": "Ratio"
},
{
"code": "SampledData"
},
{
"code": "Signature"
},
{
"code": "HumanName"
},
{
"code": "Address"
},
{
"code": "ContactPoint"
},
{
"code": "Timing"
},
{
"code": "Reference"
},
{
"code": "Meta"
}
]
}
]
}
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.
© HL7.org 2011+. FHIR STU3 Candidate (v1.4.0-8139) generated on Thu, Mar 31, 2016 08:10+1100. QA Page
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