<xsd:group name="ReportingNotionalChange.model">
    <xsd:sequence>
        <xsd:element name="notionalChange" type="NotionalChangeEnum" minOccurs="0">
            <xsd:annotation>
                <xsd:documentation>Indication as to whether the transaction is an increase or decrease of notional of a derivative contract. Only applies when there is change in notional for a derivative contract</xsd:documentation>
            </xsd:annotation>
        </xsd:element>
        <xsd:choice minOccurs="0">
            <xsd:element name="changeInNotional" type="MoneyRef" minOccurs="0" maxOccurs="unbounded">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">The change in notional amount for a prior report as a result of this event. The current notional will be reported in the trade itself. This corresponds to MiFIR Nominal or Monetary amount values; these can be distinguished by the esmaNotionalType indicator.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
            <xsd:element name="changeInNumberOfOptions" type="AmountRef" minOccurs="0" maxOccurs="unbounded">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">The change in nominal amount from a prior report as a result of this event. The current number of options will be reported in the trade itself. This corresponds to the MiFIR "units" value.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
            <xsd:element name="changeInQuantity" type="UnitQuantityRef" minOccurs="0" maxOccurs="unbounded">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">The change in quantity(s) from a prior report as a result of this event. The current quantity will be reported in the trade itself. This corresponds to the MiFIR "units" value.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
        </xsd:choice>
    </xsd:sequence>
</xsd:group>