<?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 
     and/or other materials provided with the distribution.
   * 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 
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
  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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  POSSIBILITY OF SUCH DAMAGE.
  

  Generated on Thu, Apr 9, 2026 17:12+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="EventDefinition" type="EventDefinition">
    <xs:annotation>
      <xs:documentation xml:lang="en">The EventDefinition resource provides a reusable description of when a particular event can occur.</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="EventDefinition">
    <xs:annotation>
      <xs:documentation xml:lang="en">The EventDefinition resource provides a reusable description of when a particular event can occur.</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="MetadataResource">
        <xs:sequence>
          <xs:element name="url" minOccurs="0" maxOccurs="1" type="uri">
            <xs:annotation>
              <xs:documentation xml:lang="en">An absolute URI that is used to identify this event definition when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which an authoritative instance of this event definition is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the event definition is stored on different servers.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="identifier" minOccurs="0" maxOccurs="unbounded" type="Identifier">
            <xs:annotation>
              <xs:documentation xml:lang="en">A formal identifier that is used to identify this event definition when it is represented in other formats, or referenced in a specification, model, design or an instance.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="version" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">The identifier that is used to identify this version of the event definition when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the event definition author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the mechanism used to compare versions to determine which is more current.</xs:documentation>
            </xs:annotation>
            <xs:element name="versionAlgorithmString" type="string"/>
            <xs:element name="versionAlgorithmCoding" type="Coding"/>
          </xs:choice>
          <xs:element name="name" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A natural language name identifying the event definition. This name should be usable as an identifier for the module by machine processing applications such as code generation.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="title" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A short, descriptive, user-friendly title for the event definition.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subtitle" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">An explanatory or alternate title for the event definition giving additional information about its content.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="PublicationStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">The status of this event definition. Enables tracking the life-cycle of the content.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="experimental" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">A Boolean value to indicate that this event definition is authored for testing purposes (or education/evaluation/marketing) and no version of this resource will ever be intended for genuine usage.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:choice minOccurs="0" maxOccurs="1" >
            <xs:annotation>
              <xs:documentation xml:lang="en">A code or group definition that describes the intended subject of the event definition.</xs:documentation>
            </xs:annotation>
            <xs:element name="subjectCodeableConcept" type="CodeableConcept"/>
            <xs:element name="subjectReference" type="Reference"/>
          </xs:choice>
          <xs:element name="date" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">The date  (and optionally time) when the event definition was last significantly changed. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the event definition changes.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="publisher" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">The name of the organization or individual responsible for the release and ongoing maintenance of the event definition.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="contact" minOccurs="0" maxOccurs="unbounded" type="ContactDetail">
            <xs:annotation>
              <xs:documentation xml:lang="en">Contact details to assist a user in finding and communicating with the publisher.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="description" minOccurs="0" maxOccurs="1" type="markdown">
            <xs:annotation>
              <xs:documentation xml:lang="en">A free text natural language description of the event definition from a consumer's perspective.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="useContext" minOccurs="0" maxOccurs="unbounded" type="UsageContext">
            <xs:annotation>
              <xs:documentation xml:lang="en">The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate event definition instances.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="jurisdiction" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">A legal or geographic region in which the authority that maintains the resource is operating.  In general, the jurisdiction is also found in the useContext.  The useContext may reference additional jurisdictions because the defining jurisdiction does not necessarily limit the jurisdictions of use.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="purpose" minOccurs="0" maxOccurs="1" type="markdown">
            <xs:annotation>
              <xs:documentation xml:lang="en">Explanation of why this event definition is needed and why it has been designed as it has.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="usage" minOccurs="0" maxOccurs="1" type="markdown">
            <xs:annotation>
              <xs:documentation xml:lang="en">A detailed description of how the event definition is used from a clinical perspective.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="copyright" minOccurs="0" maxOccurs="1" type="markdown">
            <xs:annotation>
              <xs:documentation xml:lang="en">A copyright statement relating to the event definition and/or its contents. Copyright statements are notices of intellectual property ownership and can include restrictions on the use and publishing of the event definition.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="copyrightLabel" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A short string (&lt;50 characters), suitable for inclusion in a page footer that identifies the copyright holder, effective period, and optionally whether rights are restricted. (e.g. 'All rights reserved', 'Some rights reserved').</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="approvalDate" minOccurs="0" maxOccurs="1" type="date">
            <xs:annotation>
              <xs:documentation xml:lang="en">The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="lastReviewDate" minOccurs="0" maxOccurs="1" type="date">
            <xs:annotation>
              <xs:documentation xml:lang="en">The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="effectivePeriod" minOccurs="0" maxOccurs="1" type="Period">
            <xs:annotation>
              <xs:documentation xml:lang="en">The period during which the event definition content was or is planned to be in active use.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="topic" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Descriptive topics related to the module. Topics provide a high-level categorization of the module that can be useful for filtering and searching.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="author" minOccurs="0" maxOccurs="unbounded" type="ContactDetail">
            <xs:annotation>
              <xs:documentation xml:lang="en">An individiual or organization primarily involved in the creation and maintenance of the content.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="editor" minOccurs="0" maxOccurs="unbounded" type="ContactDetail">
            <xs:annotation>
              <xs:documentation xml:lang="en">An individual or organization primarily responsible for internal coherence of the content.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="reviewer" minOccurs="0" maxOccurs="unbounded" type="ContactDetail">
            <xs:annotation>
              <xs:documentation xml:lang="en">An individual or organization asserted by the publisher to be primarily responsible for review of some aspect of the content.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="endorser" minOccurs="0" maxOccurs="unbounded" type="ContactDetail">
            <xs:annotation>
              <xs:documentation xml:lang="en">An individual or organization asserted by the publisher to be responsible for officially endorsing the content for use in some setting.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relatedArtifact" minOccurs="0" maxOccurs="unbounded" type="RelatedArtifact">
            <xs:annotation>
              <xs:documentation xml:lang="en">Related resources such as additional documentation, justification, or bibliographic references.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="trigger" minOccurs="1" maxOccurs="unbounded" type="TriggerDefinition">
            <xs:annotation>
              <xs:documentation xml:lang="en">The trigger element defines when the event occurs. If more than one trigger condition is specified, the event fires whenever any one of the trigger conditions is met.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
