<?xml version="1.0" encoding="UTF-8"?>
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/*
  Copyright (c) 2011+, HL7, Inc.
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this 
     list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, 
     this list of conditions and the following disclaimer in the documentation 
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   * Neither the name of HL7 nor the names of its contributors may be used to 
     endorse or promote products derived from this software without specific 
     prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
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  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
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  Generated on Tue, May 19, 2026 20:26+0000 for FHIR v6.0.0-ballot4 

  Note: the schemas &amp; schematrons do not contain all of the rules about what makes resources
  valid. Implementers will still need to be familiar with the content of the specification and with
  any profiles that apply to the resources in order to make a conformant implementation.

-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://hl7.org/fhir" xmlns:xhtml="http://www.w3.org/1999/xhtml" targetNamespace="http://hl7.org/fhir" elementFormDefault="qualified" version="1.0">
  <xs:include schemaLocation="fhir-base.xsd"/>
  <xs:element name="RequestOrchestration" type="RequestOrchestration">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="RequestOrchestration">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="DomainResource">
        <xs:sequence>
          <xs:element name="identifier" minOccurs="0" maxOccurs="unbounded" type="Identifier">
            <xs:annotation>
              <xs:documentation xml:lang="en">Allows a service to provide a unique, business identifier for the request.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="instantiatesCanonical" minOccurs="0" maxOccurs="unbounded" type="canonical">
            <xs:annotation>
              <xs:documentation xml:lang="en">A canonical URL referencing a FHIR-defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this request.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="instantiatesUri" minOccurs="0" maxOccurs="unbounded" type="uri">
            <xs:annotation>
              <xs:documentation xml:lang="en">A URL referencing an externally defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this request.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="basedOn" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A plan, proposal or order that is fulfilled in whole or in part by this request.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="replaces" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Completed or terminated request(s) whose function is taken by this new request.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="groupIdentifier" minOccurs="0" maxOccurs="1" type="Identifier">
            <xs:annotation>
              <xs:documentation xml:lang="en">A shared identifier common to multiple independent Request instances that were activated/authorized more or less simultaneously by a single author.  The presence of the same identifier on each request ties those requests together and may have business ramifications in terms of reporting of results, billing, etc.  E.g. a requisition number shared by a set of lab tests ordered together, or a prescription number shared by all meds ordered at one time.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="RequestStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">The current state of the request. For request orchestrations, the status reflects the status of all the requests in the orchestration.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="intent" minOccurs="1" maxOccurs="1" type="RequestIntent">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the level of authority/intentionality associated with the request and where the request fits into the workflow chain.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="priority" minOccurs="0" maxOccurs="1" type="RequestPriority">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates how quickly the request should be addressed with respect to other requests.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="code" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">A code that identifies what the overall request orchestration is.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subject" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The subject for which the request orchestration was created.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="encounter" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Describes the context of the request orchestration, if any.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="authoredOn" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates when the request orchestration was created.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="author" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Provides a reference to the author of the request orchestration.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="reason" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Describes the reason for the request orchestration in coded or textual form.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="goal" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Goals that are intended to be achieved by following the requests in this RequestOrchestration.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="note" minOccurs="0" maxOccurs="unbounded" type="Annotation">
            <xs:annotation>
              <xs:documentation xml:lang="en">Provides a mechanism to communicate additional information about the response.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="action" type="RequestOrchestration.Action" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">The actions, if any, produced by the evaluation of the artifact.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.Action">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="linkId" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">The linkId of the action from the PlanDefinition that corresponds to this action in the RequestOrchestration resource.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="prefix" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A user-visible prefix for the action. For example a section or item numbering such as 1. or A.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="title" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">The title of the action displayed to a user.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="description" minOccurs="0" maxOccurs="1" type="markdown">
            <xs:annotation>
              <xs:documentation xml:lang="en">A short description of the action used to provide a summary to display to the user.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="textEquivalent" minOccurs="0" maxOccurs="1" type="markdown">
            <xs:annotation>
              <xs:documentation xml:lang="en">A text equivalent of the action to be performed. This provides a human-interpretable description of the action when the definition is consumed by a system that might not be capable of interpreting it dynamically.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="priority" minOccurs="0" maxOccurs="1" type="RequestPriority">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates how quickly the action should be addressed with respect to other actions.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="code" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">A code that provides meaning for the action or action group. For example, a section may have a LOINC code for a section of a documentation template.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="documentation" minOccurs="0" maxOccurs="unbounded" type="RelatedArtifact">
            <xs:annotation>
              <xs:documentation xml:lang="en">Didactic or other informational resources associated with the action that can be provided to the CDS recipient. Information resources can include inline text commentary and links to web resources.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="goal" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Goals that are intended to be achieved by following the requests in this action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="condition" type="RequestOrchestration.Condition" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">An expression that describes applicability criteria, or start/stop conditions for the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="input" type="RequestOrchestration.Input" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines input data requirements for the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="output" type="RequestOrchestration.Output" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines the outputs of the action, if any.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relatedAction" type="RequestOrchestration.RelatedAction" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">A relationship to another action such as &quot;before&quot; or &quot;30-60 minutes after start of&quot;.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">An optional value describing when the action should be performed.</xs:documentation>
            </xs:annotation>
            <xs:element name="timingDateTime" type="dateTime"/>
            <xs:element name="timingAge" type="Age"/>
            <xs:element name="timingPeriod" type="Period"/>
            <xs:element name="timingDuration" type="Duration"/>
            <xs:element name="timingRange" type="Range"/>
            <xs:element name="timingTiming" type="Timing"/>
            <xs:element name="timingRelativeTime" type="RelativeTime"/>
          </xs:choice>
          <xs:element name="location" minOccurs="0" maxOccurs="1" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Identifies the facility where the action will occur; e.g. home, hospital, specific clinic, etc.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="participant" type="RequestOrchestration.Participant" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">The participant that should perform or be responsible for this action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="type" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The type of action to perform (create, update, remove).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="applicabilityBehavior" minOccurs="0" maxOccurs="1" type="ActionApplicabilityBehavior">
            <xs:annotation>
              <xs:documentation xml:lang="en">All - meaning the applicability of each child action is evaluated independently; if a child action is applicable according to the applicability criteria, it is applied. Any - meaning that each child action is evaluated in order, and the first action that returns an applicability of true will be applied, and processing of the parent action will stop. If not specified, the default behavior of All is used.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="groupingBehavior" minOccurs="0" maxOccurs="1" type="ActionGroupingBehavior">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines the grouping behavior for the action and its children.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="selectionBehavior" minOccurs="0" maxOccurs="1" type="ActionSelectionBehavior">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines the selection behavior for the action and its children.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="requiredBehavior" minOccurs="0" maxOccurs="1" type="ActionRequiredBehavior">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines expectations around whether an action is required.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="precheckBehavior" minOccurs="0" maxOccurs="1" type="ActionPrecheckBehavior">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines whether the action should usually be preselected.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="cardinalityBehavior" minOccurs="0" maxOccurs="1" type="ActionCardinalityBehavior">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines whether the action can be selected multiple times.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="resource" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The resource that is the target of the action (e.g. CommunicationRequest).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">A reference to an ActivityDefinition that describes the action to be taken in detail, a Measure that specifies a measure to be evaluated, a MessageDefinition that specifies a message to be sent, a PlanDefinition that describes a series of actions to be taken, a Questionnaire that should be filled out, a SpecimenDefinition describing a specimen to be collected, an ObservationDefinition that specifies what observation should be captured, or an OperationDefinition that specifies what operation should be invoked. When the value is a uri, it is intended to be a reference to non-FHIR content that characterizes the action to be performed. This option is allowed to enable the PlanDefinition to be used to provide semi-structured representation, when the guidance is not computable, but there is still value in elaborating the overall structure with a PlanDefinition. The intended behavior when a definitionUri is realized as part of an apply is that it is copied to the resulting RequestOrchestration so that it is available to the consuming system. How that system interprets that uri is not specified.</xs:documentation>
            </xs:annotation>
            <xs:element name="definitionCanonical" type="canonical"/>
            <xs:element name="definitionUri" type="uri"/>
          </xs:choice>
          <xs:element name="transform" minOccurs="0" maxOccurs="1" type="canonical">
            <xs:annotation>
              <xs:documentation xml:lang="en">A reference to a StructureMap resource that defines a transform that can be executed to produce the intent resource using the ActivityDefinition instance as the input.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="dynamicValue" type="RequestOrchestration.DynamicValue" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Customizations that should be applied to the statically defined resource. For example, if the dosage of a medication must be computed based on the patient's weight, a customization would be used to specify an expression that calculated the weight, and the path on the resource that would contain the result.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="action" type="RequestOrchestration.Action" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Sub actions.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.Condition">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="kind" minOccurs="1" maxOccurs="1" type="ActionConditionKind">
            <xs:annotation>
              <xs:documentation xml:lang="en">The kind of condition.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="expression" minOccurs="0" maxOccurs="1" type="Expression">
            <xs:annotation>
              <xs:documentation xml:lang="en">An expression that returns true or false, indicating whether or not the condition is satisfied.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.Input">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="title" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A human-readable label for the data requirement used to label data flows in BPMN or similar diagrams. Also provides a human readable label when rendering the data requirement that conveys its purpose to human readers.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="requirement" minOccurs="0" maxOccurs="1" type="DataRequirement">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines the data that is to be provided as input to the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relatedData" minOccurs="0" maxOccurs="1" type="id">
            <xs:annotation>
              <xs:documentation xml:lang="en">Points to an existing input or output element that provides data to this input.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.Output">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="title" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A human-readable label for the data requirement used to label data flows in BPMN or similar diagrams. Also provides a human readable label when rendering the data requirement that conveys its purpose to human readers.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="requirement" minOccurs="0" maxOccurs="1" type="DataRequirement">
            <xs:annotation>
              <xs:documentation xml:lang="en">Defines the data that results as output from the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relatedData" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">Points to an existing input or output element that is results as output from the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.RelatedAction">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="targetId" minOccurs="1" maxOccurs="1" type="id">
            <xs:annotation>
              <xs:documentation xml:lang="en">The element id of the target related action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relationship" minOccurs="1" maxOccurs="1" type="ActionRelationshipType">
            <xs:annotation>
              <xs:documentation xml:lang="en">The relationship of this action to the related action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="endRelationship" minOccurs="0" maxOccurs="1" type="ActionRelationshipType">
            <xs:annotation>
              <xs:documentation xml:lang="en">The relationship of the end of this action to the related action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">A duration or range of durations to apply to the relationship. For example, 30-60 minutes before.</xs:documentation>
            </xs:annotation>
            <xs:element name="offsetDuration" type="Duration"/>
            <xs:element name="offsetRange" type="Range"/>
          </xs:choice>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.Participant">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="type" minOccurs="0" maxOccurs="1" type="ActionParticipantType">
            <xs:annotation>
              <xs:documentation xml:lang="en">The type of participant in the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="typeCanonical" minOccurs="0" maxOccurs="1" type="canonical">
            <xs:annotation>
              <xs:documentation xml:lang="en">The type of participant in the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="typeReference" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The type of participant in the action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="role" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The role the participant should play in performing the described action.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="function" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates how the actor will be involved in the action - author, reviewer, witness, etc.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">A reference to the actual participant.</xs:documentation>
            </xs:annotation>
            <xs:element name="actorCanonical" type="canonical"/>
            <xs:element name="actorReference" type="Reference"/>
          </xs:choice>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="RequestOrchestration.DynamicValue">
    <xs:annotation>
      <xs:documentation xml:lang="en">A set of related requests that can be used to capture intended activities that have inter-dependencies such as &quot;give this medication after that one&quot;.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="path" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">The path to the element to be customized. This is the path on the resource that will hold the result of the calculation defined by the expression. The specified path SHALL be a FHIRPath resolvable on the specified target type of the ActivityDefinition, and SHALL consist only of identifiers, constant indexers, and a restricted subset of functions. The path is allowed to contain qualifiers (.) to traverse sub-elements, as well as indexers ([x]) to traverse multiple-cardinality sub-elements (see the [Simple FHIRPath Profile](fhirpath.html#simple) for full details).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="expression" minOccurs="0" maxOccurs="1" type="Expression">
            <xs:annotation>
              <xs:documentation xml:lang="en">An expression specifying the value of the customized element.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
