Underlying

<xs:element xmlns:altova="http://www.altova.com/xml-schema-extensions"
            xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            maxOccurs="unbounded"
            name="Underlying"
            type="UnderlyingType">
   <xs:annotation>
      <xs:documentation>Bezeichnet das dem Derivativprodukt unterlegte Wertpapier</xs:documentation>
   </xs:annotation>
</xs:element>

<xs:complexType xmlns:altova="http://www.altova.com/xml-schema-extensions"
                xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
                xmlns:xs="http://www.w3.org/2001/XMLSchema"
                name="UnderlyingType">
   <xs:sequence>
      <xs:element name="Type">
         <xs:annotation>
            <xs:documentation>Currency, Security, Future, Index</xs:documentation>
         </xs:annotation>
         <xs:simpleType>
            <xs:restriction base="xs:string">
               <xs:enumeration value="Currency"/>
               <xs:enumeration value="Future"/>
               <xs:enumeration value="Index"/>
               <xs:enumeration value="Security"/>
               <xs:enumeration value="Other"/>
            </xs:restriction>
         </xs:simpleType>
      </xs:element>
      <xs:element minOccurs="0" name="UniqueID" type="xs:IDREF"/>
      <xs:element minOccurs="0" name="Name" type="Text256Type"/>
      <xs:element name="Identifiers" type="IdentifiersType"/>
      <xs:element minOccurs="0" name="Nominale" type="xs:decimal"/>
   </xs:sequence>
</xs:complexType>