<?xml version="1.0" encoding="utf-8"?>
<xsd:schema id="IMDEMessages" targetNamespace="https://imde.io/schema/imdemessages/3.1" elementFormDefault="qualified" xmlns="https://imde.io/schema/imdemessages/3.1" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:code="https://imde.io/schema/azlon/1.0/codelists" xmlns:code1_1="https://imde.io/schema/azlon/1.1/codelists" xmlns:registry="https://imde.io/schema/datatopics/registry">
	<xsd:import schemaLocation="https://imde.io/schema/azlon/1.0/codelists/partyIdentifierType.xsd" namespace="https://imde.io/schema/azlon/1.0/codelists"/>
	<xsd:import schemaLocation="https://imde.io/schema/azlon/1.1/codelists/dataContainerType.xsd" namespace="https://imde.io/schema/azlon/1.1/codelists"/>
	<xsd:import schemaLocation="https://imde.io/schema/azlon/1.0/codelists/materialType.xsd" namespace="https://imde.io/schema/azlon/1.0/codelists"/>
	<xsd:import schemaLocation="https://imde.io/schema/azlon/1.0/codelists/identifierType.xsd" namespace="https://imde.io/schema/azlon/1.0/codelists"/>
	<xsd:import schemaLocation="https://imde.io/schema/azlon/1.0/codelists/unitType.xsd" namespace="https://imde.io/schema/azlon/1.0/codelists"/>
	<xsd:import schemaLocation="https://imde.io/schema/datatopics/registry.xsd" namespace="https://imde.io/schema/datatopics/registry"/>
	<xsd:element name="IMDEMessages">
		<xsd:complexType>
			<xsd:sequence>
				<xsd:element name="IMDEMessage" minOccurs="1" maxOccurs="unbounded">
					<xsd:complexType>
						<xsd:sequence>
							<xsd:element minOccurs="1" maxOccurs="1" name="Header">
								<xsd:complexType>
									<xsd:all>
										<xsd:element minOccurs="1" maxOccurs="1" name="DataSender" type="PartyType"/>
										<xsd:element minOccurs="1" maxOccurs="1" name="DataReceiver" type="PartyType"/>
										<xsd:element minOccurs="1" maxOccurs="1" name="DataProvider">
											<xsd:complexType>
												<xsd:all>
													<xsd:element name="Identifiers" type="PartyIdentifiersType" minOccurs="0" maxOccurs="1"/>
													<xsd:element name="Name" type="xsd:string" minOccurs="1" maxOccurs="1"/>
												</xsd:all>
											</xsd:complexType>
										</xsd:element>
										<xsd:element minOccurs="1" maxOccurs="1" name="MessageIdentifier" type="xsd:string"/>
										<xsd:element minOccurs="1" maxOccurs="1" name="CreationDateTime" type="xsd:dateTime"/>
										<xsd:element minOccurs="0" maxOccurs="1" name="Parameters">
											<xsd:complexType>
												<xsd:sequence>
													<xsd:element minOccurs="1" maxOccurs="unbounded" name="Parameter">
														<xsd:complexType>
															<xsd:attribute name="Key" type="xsd:string" use="required"/>
															<xsd:attribute name="Value" type="xsd:string" use="required"/>
														</xsd:complexType>
													</xsd:element>
												</xsd:sequence>
											</xsd:complexType>
										</xsd:element>
									</xsd:all>
									<xsd:attribute name="DataContainerType" type="code1_1:dataContainerType" use="required"/>
								</xsd:complexType>
							</xsd:element>
							<xsd:choice>						
								<xsd:element name="Item" minOccurs="1" maxOccurs="1" type="ItemType"/>
								<xsd:element name="PackagingSystem" minOccurs="1" maxOccurs="1" type="PackagingSystemType"/>
								<xsd:element name="BOM" minOccurs="1" maxOccurs="1" type="BOMType"/>
							</xsd:choice>
						</xsd:sequence>
					</xsd:complexType>
				</xsd:element>
			</xsd:sequence>
		</xsd:complexType>
	</xsd:element>
	<xsd:complexType name="PartyType">
		<xsd:all>
			<xsd:element name="Identifiers" type="PartyIdentifiersType" minOccurs="0" maxOccurs="1"/>
		</xsd:all>
	</xsd:complexType>
	<xsd:complexType name="PartyIdentifiersType">
		<xsd:sequence>
			<xsd:element name="Identifier" minOccurs="1" maxOccurs="unbounded">
				<xsd:complexType>
					<xsd:simpleContent>
						<xsd:extension base="xsd:string">
							<xsd:attribute name="Type" type="code:partyIdentifierType" use="required"/>
						</xsd:extension>
					</xsd:simpleContent>
				</xsd:complexType>
			</xsd:element>
		</xsd:sequence>
	</xsd:complexType>
	<xsd:complexType name="ItemType">
		<xsd:sequence>
			<xsd:element name="DataTopics" minOccurs="1" maxOccurs="1" type="DataTopicsType"/>
		</xsd:sequence>
		<xsd:attribute name="MaterialType" type="code:materialType" use="required"/>
	</xsd:complexType>
	<xsd:complexType name="PackagingSystemType">
		<xsd:sequence>
			<xsd:element name="PackagingLevel" minOccurs="1" maxOccurs="1">
				<xsd:complexType>
					<xsd:sequence>
						<xsd:element name="Identifier" minOccurs="1" maxOccurs="unbounded">
							<xsd:complexType>
								<xsd:simpleContent>
									<xsd:extension base="xsd:string">
										<xsd:attribute name="CodeList" type="xsd:string" use="required"/>
									</xsd:extension>
								</xsd:simpleContent>
							</xsd:complexType>
						</xsd:element>
					</xsd:sequence>
				</xsd:complexType>
			</xsd:element>
			<xsd:element name="DataTopics" minOccurs="1" maxOccurs="1" type="DataTopicsType"/>
		</xsd:sequence>
	</xsd:complexType>
	<xsd:complexType name="BOMType">
		<xsd:sequence>
			<xsd:element name="Item" minOccurs="1" maxOccurs="1">
				<xsd:complexType>
					<xsd:sequence>
						<xsd:element name="ItemIdentifiers" type="IdentifiersType" minOccurs="0" maxOccurs="1"/>
						<xsd:element name="Items" minOccurs="0" maxOccurs="1">
							<xsd:complexType>
								<xsd:sequence>
									<xsd:element name="Item" type="BOMItemType" minOccurs="1" maxOccurs="unbounded"/>
								</xsd:sequence>
							</xsd:complexType>
						</xsd:element>
					</xsd:sequence>
					<xsd:attribute name="MaterialType" type="code:materialType" use="required"/>
				</xsd:complexType>
			</xsd:element>
		</xsd:sequence>
	</xsd:complexType>
	<xsd:complexType name="BOMItemType">
		<xsd:sequence>
			<xsd:element name="QuantityUnits" minOccurs="1" maxOccurs="1">
				<xsd:complexType>
					<xsd:sequence>
						<xsd:element name="QuantityUnit" minOccurs="1" maxOccurs="unbounded">
							<xsd:complexType>
								<xsd:simpleContent>
									<xsd:extension base="xsd:string">
										<xsd:attribute name="Type" type="code:unitType" use="required"/>
									</xsd:extension>
								</xsd:simpleContent>
							</xsd:complexType>
						</xsd:element>
					</xsd:sequence>
				</xsd:complexType>
			</xsd:element>
			<xsd:element name="ItemIdentifiers" type="IdentifiersType" minOccurs="0" maxOccurs="1"/>
			<xsd:element name="Items" minOccurs="0" maxOccurs="1">
				<xsd:complexType>
					<xsd:sequence>
						<xsd:element name="Item" type="BOMItemType" minOccurs="1" maxOccurs="unbounded"/>
					</xsd:sequence>
				</xsd:complexType>
			</xsd:element>
		</xsd:sequence>
		<xsd:attribute name="MaterialType" type="code:materialType" use="required"/>
		<xsd:attribute name="Quantity" type="xsd:double" use="required"/>
	</xsd:complexType>
	<xsd:complexType name="IdentifiersType">
		<xsd:sequence>
			<xsd:element name="Identifier" type="IdentifierType" minOccurs="1" maxOccurs="unbounded"/>
		</xsd:sequence>
	</xsd:complexType>
	<xsd:complexType name="IdentifierType">
		<xsd:simpleContent>
			<xsd:extension base="xsd:string">
				<xsd:attribute name="Type" type="code:identifierType" use="required"/>
			</xsd:extension>
		</xsd:simpleContent>
	</xsd:complexType>
	<xsd:complexType name="DataTopicsType">
		<xsd:sequence>
			<xsd:element name="DataTopic" minOccurs="1" maxOccurs="unbounded">
				<xsd:complexType>
					<xsd:sequence>
						<xsd:group ref="registry:DataTopicContent" minOccurs="1" maxOccurs="unbounded"/>
					</xsd:sequence>
					<xsd:attribute name="Topic" type="xsd:string" use="required"/>
					<xsd:attribute name="Format" type="xsd:string" use="required"/>
					<xsd:attribute name="Version" type="xsd:string" use="required"/>
				</xsd:complexType>
			</xsd:element>
		</xsd:sequence>
	</xsd:complexType>		
</xsd:schema>
