<xsd:element name="Date" type="xsd:dateTime" minOccurs="0"><xsd:annotation><xsd:documentation>Date of the creation of this metadata file</xsd:documentation></xsd:annotation></xsd:element>
<xsd:element name="CodeListVersions" type="DescriptiveCodeListsType"><xsd:annotation><xsd:documentation>CodeLists used in Management description</xsd:documentation></xsd:annotation></xsd:element>
<xsd:element name="UnitDescriptiveMetadata" type="UnitDescriptiveMetadataType" maxOccurs="unbounded"><xsd:annotation><xsd:documentation>List of descriptive metadata in tree format (multiple trees being a DAG)</xsd:documentation></xsd:annotation></xsd:element>
<xsd:complexType name="DescriptiveMetadataType"><xsd:annotation><xsd:documentation>Date and Message identifier of this message, the referenced archive transfer message id, the tools list used and the descriptive metadata dag</xsd:documentation></xsd:annotation><xsd:sequence><xsd:element name="Date" type="xsd:dateTime" minOccurs="0"><xsd:annotation><xsd:documentation>Date of the creation of this metadata file</xsd:documentation></xsd:annotation></xsd:element><xsd:group ref="SubXmlFileIdentifierGroup" minOccurs="0"/><xsd:element name="CodeListVersions" type="DescriptiveCodeListsType"><xsd:annotation><xsd:documentation>CodeLists used in Management description</xsd:documentation></xsd:annotation></xsd:element><xsd:element name="UnitDescriptiveMetadata" type="UnitDescriptiveMetadataType" maxOccurs="unbounded"><xsd:annotation><xsd:documentation>List of descriptive metadata in tree format (multiple trees being a DAG)</xsd:documentation></xsd:annotation></xsd:element></xsd:sequence></xsd:complexType>