<xs:element name="HotelRef" minOccurs="0" maxOccurs="99">
    <xs:annotation>
        <xs:documentation xml:lang="en">Indicates the detail of hotel reference information.</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:attributeGroup ref="HotelReferenceGroup">
            <xs:annotation>
                <xs:documentation xml:lang="en">Detailed hotel information for the search.</xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute name="SegmentCategoryCode" type="OTA_CodeType" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Used to search for hotels within a particular market segment.  Refer to OTA Code Segment Category Code Type (SEG).
							</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="PropertyClassCode" type="OTA_CodeType" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Refer to OTA Code list OTA Code List Property Class Type (PCT).</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="ArchitecturalStyleCode" type="OTA_CodeType" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Refer to OTA Code List Architectural Style Code (ARC).</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="SupplierIntegrationLevel" type="xs:nonNegativeInteger" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">The level of integration of a property to provide automated transaction information. The lower the number, the higher the integration (e.g., a 1 means the supplier has the highest level of integration automation).</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="LocationCategoryCode" type="OTA_CodeType" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Used to search for hotels in a specific location category (e.g. downtown, airport or suburban, etc.). Refer to OTA Code List Location Category Codes (LOC). </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="ExtendedCitySearchIndicator" type="xs:boolean" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">When true indicates the search should be performed beyond the hotel city code, typically this could include neighboring cities to the specified hotel city code.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
</xs:element>