<xsd:group name="CommodityFixedPhysicalQuantity.model">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">The different options for specifying a fixed physical quantity of commodity to be delivered.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
        <xsd:choice minOccurs="0">
            <xsd:element name="physicalQuantity" type="CommodityNotionalQuantity">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">The Quantity per Delivery Period.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
            <xsd:element name="physicalQuantitySchedule" type="CommodityPhysicalQuantitySchedule">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">Allows the documentation of a shaped quantity trade where the quantity changes over the life of the transaction.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
        </xsd:choice>
        <xsd:element name="totalPhysicalQuantity" type="UnitQuantity">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">The Total Quantity of the commodity to be delivered.</xsd:documentation>
            </xsd:annotation>
        </xsd:element>
    </xsd:sequence>
</xsd:group>