<element name="site-metadata">
    <annotation>
        <documentation>Metadata about the site.</documentation>
    </annotation>
    <complexType>
        <sequence>
            <element ref="sportsml:name" minOccurs="0" maxOccurs="unbounded" />
            <element ref="sportsml:home-location" minOccurs="0" />
            <element ref="sportsml:sports-content-code" minOccurs="0" maxOccurs="unbounded" />
            <element ref="sportsml:sports-property" minOccurs="0" maxOccurs="unbounded" />
        </sequence>
        <attributeGroup ref="sportsml:globalAttributes" />
        <attribute name="site-key" type="sportsml:genericKeyType" use="optional">
            <annotation>
                <documentation>The unique identifier for the site.</documentation>
            </annotation>
        </attribute>
        <attribute name="site-source" type="string" use="optional">
            <annotation>
                <documentation>The maintainer of the controlled vocabulary for the site-key.</documentation>
            </annotation>
        </attribute>
        <attribute name="capacity" type="string" use="optional">
            <annotation>
                <documentation>How many spectators can fill the site.</documentation>
            </annotation>
        </attribute>
        <attribute name="style" type="string" use="optional">
            <annotation>
                <documentation>Whether it is an indoor or outdoor site.</documentation>
            </annotation>
        </attribute>
        <attribute name="surface" type="string" use="optional">
            <annotation>
                <documentation>Describes the surface upon which events are played. For example, in tennis, could be hard-court or grass or clay.</documentation>
            </annotation>
        </attribute>
        <attribute name="shape" type="string" use="optional">
            <annotation>
                <documentation>A controlled vocabulary for the site's shape. Example for motor-racing: oval.</documentation>
            </annotation>
        </attribute>
        <attribute name="incline" type="string" use="optional">
            <annotation>
                <documentation>The pitch or embankment of the field of play. Generally in degrees. Example for motor-racing: 13.</documentation>
            </annotation>
        </attribute>
        <attribute name="length" type="string" use="optional">
            <annotation>
                <documentation>The length of the arena or field of play.</documentation>
            </annotation>
        </attribute>
        <attribute name="length-units" type="string" use="optional">
            <annotation>
                <documentation>The units used for the length attribute.</documentation>
            </annotation>
        </attribute>
        <attribute name="type" type="string" use="optional">
            <annotation>
                <documentation>A controlled vocabulary for the type or class of arena. Example for motor-racing: super-speedway.</documentation>
            </annotation>
        </attribute>
        <attribute name="home-page-url" type="string" use="optional">
            <annotation>
                <documentation>The website for the venue or arena.</documentation>
            </annotation>
        </attribute>
    </complexType>
</element>