<xsd:complexType name="SingleUnderlyer">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">A type describing the single underlyer of a swap.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
        <xsd:element ref="underlyingAsset" />
        <xsd:element name="openUnits" type="xsd:decimal" minOccurs="0">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">The number of units (index or securities) that constitute the underlyer of the swap. In the case of a basket swap, this element is used to reference both the number of basket units, and the number of each asset components of the basket when these are expressed in absolute terms.</xsd:documentation>
            </xsd:annotation>
        </xsd:element>
        <xsd:element name="dividendPayout" type="DividendPayout" minOccurs="0">
            <xsd:annotation>
                <xsd:documentation xml:lang="en">Specifies the dividend payout ratio associated with an equity underlyer. A basket swap can have different payout ratios across the various underlying constituents. In certain cases the actual ratio is not known on trade inception, and only general conditions are then specified.</xsd:documentation>
            </xsd:annotation>
        </xsd:element>
    </xsd:sequence>
</xsd:complexType>

• SingleUnderlyer
• nsA:singleUnderlyer