<!-- edited with XMLSPY v2004 rel. 3 U (http://www.xmlspy.com) by Glen F. Marshall (HL7 Technical Steering Committee) -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:element name="AuditMessage">
		<xs:complexType>
			<xs:sequence>
				<xs:element name="EventIdentification" type="EventIdentificationType"/>
				<xs:element name="ActiveParticipant" maxOccurs="unbounded">
					<xs:complexType>
						<xs:complexContent>
							<xs:extension base="ActiveParticipantType"/>
						</xs:complexContent>
					</xs:complexType>
				</xs:element>
				<xs:element name="AuditSourceIdentification" type="AuditSourceIdentificationType" maxOccurs="unbounded"/>
				<xs:element name="ParticipantObjectIdentification" type="ParticipantObjectIdentificationType" minOccurs="0" maxOccurs="unbounded"/>
			</xs:sequence>
		</xs:complexType>
	</xs:element>
	<xs:complexType name="EventIdentificationType">
		<xs:sequence>
			<xs:element name="EventID" type="CodedValueType"/>
			<xs:element name="EventTypeCode" type="CodedValueType" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="EventActionCode" use="optional">
			<xs:simpleType>
				<xs:restriction base="xs:string">
					<xs:enumeration value="C">
						<xs:annotation>
							<xs:appinfo>Create</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="R">
						<xs:annotation>
							<xs:appinfo>Read</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="U">
						<xs:annotation>
							<xs:appinfo>Update</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="D">
						<xs:annotation>
							<xs:appinfo>Delete</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="E">
						<xs:annotation>
							<xs:documentation>Execute</xs:documentation>
						</xs:annotation>
					</xs:enumeration>
				</xs:restriction>
			</xs:simpleType>
		</xs:attribute>
		<xs:attribute name="EventDateTime" type="xs:dateTime" use="required"/>
		<xs:attribute name="EventOutcomeIndicator" use="required">
			<xs:simpleType>
				<xs:restriction base="xs:integer">
					<xs:enumeration value="0">
						<xs:annotation>
							<xs:appinfo>Success</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="4">
						<xs:annotation>
							<xs:appinfo>Minor failure</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="8">
						<xs:annotation>
							<xs:appinfo>Serious failure</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="12">
						<xs:annotation>
							<xs:appinfo>Major failure; action made unavailable 
          </xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
				</xs:restriction>
			</xs:simpleType>
		</xs:attribute>
	</xs:complexType>
	<xs:complexType name="AuditSourceIdentificationType">
		<xs:sequence>
			<xs:element name="AuditSourceTypeCode" type="CodedValueType" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="AuditEnterpriseSiteID" type="xs:string" use="optional"/>
		<xs:attribute name="AuditSourceID" type="xs:string" use="required"/>
	</xs:complexType>
	<xs:complexType name="ActiveParticipantType">
		<xs:sequence minOccurs="0">
			<xs:element name="RoleIDCode" type="CodedValueType" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="UserID" type="xs:string" use="required"/>
		<xs:attribute name="AlternativeUserID" type="xs:string" use="optional"/>
		<xs:attribute name="UserName" type="xs:string" use="optional"/>
		<xs:attribute name="UserIsRequestor" type="xs:boolean" use="optional" default="true"/>
		<xs:attribute name="NetworkAccessPointID" type="xs:string" use="optional"/>
		<xs:attribute name="NetworkAccessPointTypeCode" use="optional">
			<xs:simpleType>
				<xs:restriction base="xs:unsignedByte">
					<xs:enumeration value="1">
						<xs:annotation>
							<xs:appinfo>Machine Name, including DNS name</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="2">
						<xs:annotation>
							<xs:appinfo>IP Address</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="3">
						<xs:annotation>
							<xs:appinfo>Telephone Number</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
				</xs:restriction>
			</xs:simpleType>
		</xs:attribute>
	</xs:complexType>
	<xs:complexType name="ParticipantObjectIdentificationType">
		<xs:sequence>
			<xs:element name="ParticipantObjectIDTypeCode" type="CodedValueType"/>
			<xs:choice minOccurs="0">
				<xs:element name="ParticipantObjectName" type="xs:string" minOccurs="0"/>
				<xs:element name="ParticipantObjectQuery" type="xs:base64Binary" minOccurs="0"/>
			</xs:choice>
			<xs:element name="ParticipantObjectDetail" type="TypeValuePairType" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="ParticipantObjectID" type="xs:string" use="required"/>
		<xs:attribute name="ParticipantObjectTypeCode" use="optional">
			<xs:simpleType>
				<xs:restriction base="xs:unsignedByte">
					<xs:enumeration value="1">
						<xs:annotation>
							<xs:appinfo>Person</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="2">
						<xs:annotation>
							<xs:appinfo>System object</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="3">
						<xs:annotation>
							<xs:appinfo>Organization</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="4">
						<xs:annotation>
							<xs:appinfo>Other</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
				</xs:restriction>
			</xs:simpleType>
		</xs:attribute>
		<xs:attribute name="ParticipantObjectTypeCodeRole" use="optional">
			<xs:simpleType>
				<xs:restriction base="xs:unsignedByte">
					<xs:enumeration value="1">
						<xs:annotation>
							<xs:appinfo>Patient</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="2">
						<xs:annotation>
							<xs:appinfo>Location</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="3">
						<xs:annotation>
							<xs:appinfo> Report</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="4">
						<xs:annotation>
							<xs:appinfo>Resource</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="5">
						<xs:annotation>
							<xs:appinfo>Master file</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="6">
						<xs:annotation>
							<xs:appinfo>User</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="7">
						<xs:annotation>
							<xs:appinfo>List</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="8">
						<xs:annotation>
							<xs:appinfo>Doctor</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="9">
						<xs:annotation>
							<xs:appinfo>Subscriber</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="10">
						<xs:annotation>
							<xs:appinfo>Guarantor</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="11">
						<xs:annotation>
							<xs:appinfo>Security User Entity</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="12">
						<xs:annotation>
							<xs:appinfo>Security User Group</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="13">
						<xs:annotation>
							<xs:appinfo>Security Resource</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="14">
						<xs:annotation>
							<xs:appinfo>Security Granualarity Definition</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="15">
						<xs:annotation>
							<xs:appinfo>Provider</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="16">
						<xs:annotation>
							<xs:appinfo>Report Destination</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="17">
						<xs:annotation>
							<xs:appinfo>Report Library</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="18">
						<xs:annotation>
							<xs:appinfo>Schedule</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="19">
						<xs:annotation>
							<xs:appinfo>Customer</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="20">
						<xs:annotation>
							<xs:appinfo>Job</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="21">
						<xs:annotation>
							<xs:appinfo>Job Stream</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="22">
						<xs:annotation>
							<xs:appinfo>Table</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="23">
						<xs:annotation>
							<xs:appinfo>Routing Criteria</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="24">
						<xs:annotation>
							<xs:appinfo>Query</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
				</xs:restriction>
			</xs:simpleType>
		</xs:attribute>
		<xs:attribute name="ParticipantObjectDataLifeCycle" use="optional">
			<xs:simpleType>
				<xs:restriction base="xs:unsignedByte">
					<xs:enumeration value="1">
						<xs:annotation>
							<xs:appinfo>Origination / Creation</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="2">
						<xs:annotation>
							<xs:appinfo>Import / Copy from original </xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="3">
						<xs:annotation>
							<xs:appinfo>Amendment</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="4">
						<xs:annotation>
							<xs:appinfo>Verification</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="5">
						<xs:annotation>
							<xs:appinfo>Translation</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="6">
						<xs:annotation>
							<xs:appinfo>Access / Use</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="7">
						<xs:annotation>
							<xs:appinfo>De-identification</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="8">
						<xs:annotation>
							<xs:appinfo>Aggregation, summarization, derivation</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="9">
						<xs:annotation>
							<xs:appinfo>Report</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="10">
						<xs:annotation>
							<xs:appinfo>Export / Copy to target</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="11">
						<xs:annotation>
							<xs:appinfo>Disclosure</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="12">
						<xs:annotation>
							<xs:appinfo>Receipt of disclosure</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="13">
						<xs:annotation>
							<xs:appinfo>Archiving</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="14">
						<xs:annotation>
							<xs:appinfo>Logical deletion</xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
					<xs:enumeration value="15">
						<xs:annotation>
							<xs:appinfo>Permanent erasure / Physical destruction </xs:appinfo>
						</xs:annotation>
					</xs:enumeration>
				</xs:restriction>
			</xs:simpleType>
		</xs:attribute>
		<xs:attribute name="ParticipantObjectSensitivity" type="xs:string" use="optional"/>
	</xs:complexType>
	<xs:complexType name="CodedValueType">
		<xs:attribute name="code" type="xs:string" use="required"/>
		<xs:attributeGroup ref="CodeSystem"/>
		<xs:attribute name="displayName" type="xs:string" use="optional"/>
		<xs:attribute name="originalText" type="xs:string" use="optional"/>
	</xs:complexType>
	<xs:complexType name="TypeValuePairType">
		<xs:attribute name="type" type="xs:string" use="required"/>
		<xs:attribute name="value" type="xs:base64Binary" use="required"/>
	</xs:complexType>
	<xs:attributeGroup name="CodeSystem">
		<xs:attribute name="codeSystem" type="OID" use="optional"/>
		<xs:attribute name="codeSystemName" type="xs:string" use="optional"/>
	</xs:attributeGroup>
	<xs:simpleType name="OID">
		<xs:restriction base="xs:string">
			<xs:whiteSpace value="collapse"/>
		</xs:restriction>
	</xs:simpleType>
</xs:schema>
