<xs:element name="ResBookDesignations" minOccurs="0">
    <xs:annotation>
        <xs:documentation xml:lang="en">A collection of ResBookDesignations.</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:sequence>
            <xs:element name="ResBookDesignation" maxOccurs="10">
                <xs:annotation>
                    <xs:documentation xml:lang="en">If the  seat map display is requested for the cabin class in which a particular booking designator code (booking class) lies then that booking class can be specified in this element.</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:attribute name="ResBookDesigCode" type="UpperCaseAlphaLength1to2" use="optional">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">If the booking class is know for which the seat map is to be requested then the specific Booking class code can be entered here. The response will have the seat map for the  cabin class in which the said booking classcode belongs.</xs:documentation>
                        </xs:annotation>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
        </xs:sequence>
    </xs:complexType>
</xs:element>