<element name="wagering-straight-spread">
    <annotation>
        <documentation>A wager built around the different between the scores of two teams.</documentation>
    </annotation>
    <complexType>
        <attributeGroup ref="sportsml:globalAttributes" />
        <attribute name="bookmaker-key" type="sportsml:genericKeyType" use="optional">
            <annotation>
                <documentation>Unique ID for the make of the line.</documentation>
            </annotation>
        </attribute>
        <attribute name="bookmaker-name" type="string" use="optional">
            <annotation>
                <documentation>Name of the maker of the line.</documentation>
            </annotation>
        </attribute>
        <attribute name="rotation-key" type="string" use="optional">
            <annotation>
                <documentation>Reusable ID for the team generally agreed upon by a pool of bookmakers.</documentation>
            </annotation>
        </attribute>
        <attribute name="comment" type="string" use="optional">
            <annotation>
                <documentation>A comment for this line. Often the same comment is supplied for both teams in a game.</documentation>
            </annotation>
        </attribute>
        <attribute name="date-time" type="string" use="optional">
            <annotation>
                <documentation>The date and time which this wagering info was assigned by the bookmaker.</documentation>
            </annotation>
        </attribute>
        <attribute name="context" use="optional">
            <annotation>
                <documentation>An indication of whether this line is a current line, or a repeat of a special-interest line from the past.</documentation>
            </annotation>
            <simpleType>
                <restriction base="string">
                    <enumeration value="opening" />
                    <enumeration value="closing" />
                    <enumeration value="current" />
                </restriction>
            </simpleType>
        </attribute>
        <attribute name="line" type="string" use="optional">
            <annotation>
                <documentation>The value of the line accompanying the spread.</documentation>
            </annotation>
        </attribute>
        <attribute name="line-opening" type="string" use="optional">
            <annotation>
                <documentation>The opening value of the line accompanying the spread.</documentation>
            </annotation>
        </attribute>
        <attribute name="prediction" use="optional">
            <annotation>
                <documentation>Whether this team or player is the favorite or the underdog.</documentation>
            </annotation>
            <simpleType>
                <restriction base="string">
                    <enumeration value="favorite" />
                    <enumeration value="underdog" />
                </restriction>
            </simpleType>
        </attribute>
        <attribute name="value" type="string" use="optional">
            <annotation>
                <documentation>The number of points for which the two scores should differ.</documentation>
            </annotation>
        </attribute>
        <attribute name="prediction-opening" use="optional">
            <annotation>
                <documentation>The opening value for this prediction.</documentation>
            </annotation>
            <simpleType>
                <restriction base="string">
                    <enumeration value="favorite" />
                    <enumeration value="underdog" />
                </restriction>
            </simpleType>
        </attribute>
        <attribute name="value-opening" type="string" use="optional">
            <annotation>
                <documentation>The opening value.</documentation>
            </annotation>
        </attribute>
        <attribute name="vigorish" type="string" use="optional">
            <annotation>
                <documentation>The commission paid to the bookmaker.</documentation>
            </annotation>
        </attribute>
    </complexType>
</element>