<xsd:complexType name="InstrumentSet">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">A collection of instruments usable for quotation purposes. In future releases, quotable derivative assets may be added after the underlying asset.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence minOccurs="0" maxOccurs="unbounded">
        <xsd:choice>
            <xsd:element ref="underlyingAsset">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">A collection of underlying assets (bonds, discount instruments, futures, etc.) that can be used as a basis for benchmark quotes.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
            <xsd:element ref="curveInstrument">
                <xsd:annotation>
                    <xsd:documentation xml:lang="en">A collection of underlying assets (bonds, discount instruments, futures, etc.) that can be used as a basis for benchmark quotes.</xsd:documentation>
                </xsd:annotation>
            </xsd:element>
        </xsd:choice>
    </xsd:sequence>
</xsd:complexType>

• InstrumentSet
• nsA:instrumentSet