<xsd:element name="AttributeType" minOccurs="0" maxOccurs="unbounded">
    <xsd:annotation>
        <xsd:documentation>Specifies a column in the Schema namespace.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexType>
        <xsd:sequence>
            <xsd:element name="datatype">
                <xsd:annotation>
                    <xsd:documentation>Specifies information about the data type of a column. Set to one of the types defined in dt.xsd.</xsd:documentation>
                </xsd:annotation>
                <xsd:complexType>
                    <xsd:attribute ref="dt:type" use="optional" />
                    <xsd:attribute ref="dt:maxLength" use="optional" />
                </xsd:complexType>
            </xsd:element>
        </xsd:sequence>
        <xsd:attribute name="name" type="xsd:string" use="required">
            <xsd:annotation>
                <xsd:documentation>Set to the name of a field in the PivotTable cache. The value of this attribute must be set to the value of one of the type attributes specified in the ElementType element.</xsd:documentation>
            </xsd:annotation>
        </xsd:attribute>
        <xsd:attribute ref="rs:name" use="required" />
    </xsd:complexType>
</xsd:element>