Name	Flags	Card.	Type	Description & Constraints
Task	I		DomainResource	A task to be performed A Failure reason may be present only when a task has failed. Last modified date must be greater than or equal to created date.
identifier		0..1	Identifier	Task Instance Identifier
type	Σ	0..1	CodeableConcept	Task Type
description	Σ	0..1	string	Task Description
performerType		0..*	Coding	requester | dispatcher | scheduler | performer | monitor | manager | acquirer | reviewer TaskPerformerType ( Preferred)
priority		0..1	code	low | normal | high TaskPriority ( Required)
status	Σ I	1..1	code	draft | requested | received | accepted | + TaskStatus ( Required)
failureReason	Σ I	0..1	CodeableConcept	Task Failure Reason
subject		0..1	Reference( Any)	Task Subject
for	Σ	0..1	Reference( Any)	Beneficiary of the Task
definition	Σ	0..1	uri	Task Definition
created	I	1..1	dateTime	Task Creation Date
lastModified	Σ I	1..1	dateTime	Task Last Modified Date
creator		1..1	Reference( Device | Organization | Patient | Practitioner | RelatedPerson)	Task Creator
owner		0..1	Reference( Device | Organization | Patient | Practitioner | RelatedPerson)	Task Owner
parent		0..1	Reference( Task)	Composite task
input		0..*	BackboneElement	Task Input
name		1..1	string	Input Name
value[x]		1..1	*	Input Value
output		0..*	BackboneElement	Task Output
name		1..1	string	Output Name
value[x]		1..1	*	Output Value
Documentation for this format