Name	Flags	Card.	Type	Description & Constraints
RequestGroup	TU		DomainResource	A group of related requests Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
identifier	Σ	0..*	Identifier	Business identifier
instantiatesCanonical	Σ	0..*	canonical()	Instantiates FHIR protocol or definition
instantiatesUri	Σ	0..*	uri	Instantiates external protocol or definition
basedOn		0..*	Reference( Any)	Fulfills plan, proposal, or order
replaces		0..*	Reference( Any)	Request(s) replaced by this request
groupIdentifier	Σ	0..1	Identifier	Composite request this is part of
status	?! Σ	1..1	code	draft | active | suspended | cancelled | completed | entered-in-error | unknown RequestStatus ( Required)
intent	?! Σ	1..1	code	proposal | plan | order RequestIntent ( Required)
priority	Σ	0..1	code	routine | urgent | asap | stat Request priority ( Required)
code	Σ	0..1	CodeableConcept	What's being requested/ordered
subject		0..1	Reference( Patient | Group)	Who the request group is about
context		0..1	Reference( Encounter | EpisodeOfCare)	Encounter or Episode for the request group
authoredOn		0..1	dateTime	When the request group was authored
author		0..1	Reference( Device | Practitioner)	Device or practitioner that authored the request group
reasonCode		0..*	CodeableConcept	Why the request group is needed
reasonReference		0..*	Reference( Condition | Observation | DiagnosticReport | DocumentReference)	Why the request group is needed
note		0..*	Annotation	Additional notes about the response
action	I	0..*	BackboneElement	Proposed actions, if any + Rule: Must have resource or action but not both
prefix		0..1	string	User-visible prefix for the action (e.g. 1. or A.)
title		0..1	string	User-visible title
description	Σ	0..1	string	Short description of the action
textEquivalent	Σ	0..1	string	Static text equivalent of the action, used if the dynamic aspects cannot be interpreted by the receiving system
priority		0..1	code	routine | urgent | asap | stat Request priority ( Required)
code		0..*	CodeableConcept	Code representing the meaning of the action or sub-actions
documentation		0..*	RelatedArtifact	Supporting documentation for the intended performer of the action
condition		0..*	BackboneElement	Whether or not the action is applicable
kind		1..1	code	applicability | start | stop ActionConditionKind ( Required)
description		0..1	string	Natural language description of the condition
language		0..1	string	Language of the expression
expression		0..1	string	Boolean-valued expression
relatedAction		0..*	BackboneElement	Relationship to another action
actionId		1..1	id	What action this is related to
relationship		1..1	code	before-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end ActionRelationshipType ( Required)
offset[x]		0..1		Time offset for the relationship
offsetDuration			Duration
offsetRange			Range
timing[x]		0..1		When the action should take place
timingDateTime			dateTime
timingAge			Age
timingPeriod			Period
timingDuration			Duration
timingRange			Range
timingTiming			Timing
participant		0..*	Reference( Patient | Practitioner | RelatedPerson)	Who should perform the action
type		0..1	CodeableConcept	create | update | remove | fire-event ActionType ( Extensible)
groupingBehavior		0..1	code	visual-group | logical-group | sentence-group ActionGroupingBehavior ( Required)
selectionBehavior		0..1	code	any | all | all-or-none | exactly-one | at-most-one | one-or-more ActionSelectionBehavior ( Required)
requiredBehavior		0..1	code	must | could | must-unless-documented ActionRequiredBehavior ( Required)
precheckBehavior		0..1	code	yes | no ActionPrecheckBehavior ( Required)
cardinalityBehavior		0..1	code	single | multiple ActionCardinalityBehavior ( Required)
resource	I	0..1	Reference( Any)	The target of the action
action	I	0..*	see action	Sub action
Documentation for this format