<xsd:simpleType name="OptionTypeEnum">
    <xsd:annotation>
        <xsd:documentation source="http://www.FpML.org" xml:lang="en">Specifies whether the option is a call or a put.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:token">
        <xsd:enumeration value="Call">
            <xsd:annotation>
                <xsd:documentation source="http://www.FpML.org" xml:lang="en">A call option gives the holder the right to buy the underlying asset by a certain date for a certain price.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="Put">
            <xsd:annotation>
                <xsd:documentation source="http://www.FpML.org" xml:lang="en">A put option gives the holder the right to sell the underlying asset by a certain date for a certain price.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
    </xsd:restriction>
</xsd:simpleType>