<xs:attributeGroup name="curlingActionAttributes">
    <xs:attribute name="end-number" type="xs:integer" use="optional">
        <xs:annotation>
            <xs:documentation>A curling game normally have 10 ends, but it can also be 8 or even 6</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="stone-number" type="xs:integer" use="optional">
        <xs:annotation>
            <xs:documentation>Each end has 8 stones per team</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="time-used" use="optional" type="xs:string">
        <xs:annotation>
            <xs:documentation>How much time the team used for this play</xs:documentation>
        </xs:annotation>
    </xs:attribute>
    <xs:attribute name="turn" use="optional">
        <xs:simpleType id="turn">
            <xs:restriction base="xs:string">
                <xs:enumeration id="turnInturn" value="inturn">
                    <xs:annotation>
                        <xs:documentation>When the stone is released with a clock-wise
                                turn.</xs:documentation>
                    </xs:annotation>
                </xs:enumeration>
                <xs:enumeration id="turnOutturn" value="outturn">
                    <xs:annotation>
                        <xs:documentation>When the stone is released with a anti-clock-wise
                                turn.</xs:documentation>
                    </xs:annotation>
                </xs:enumeration>
            </xs:restriction>
        </xs:simpleType>
    </xs:attribute>
    <!-- If the stone was played inhand or outhand -->
    <xs:attribute name="stone-speed" use="optional" type="QCodeType" />
    <!-- The speed of the stone -->
</xs:attributeGroup>