<DataSource ID="PortalColumn" Constructor="PortalColumn">
    <fields>
        <field name="portalRows" type="PortalRow" multiple="true" propertiesOnly="true" />
        
        <field name="width"    type="measure"         title="Width"     xmlAttribute="true" basic="true" /> 
        <field name="minWidth" type="positiveInteger" title="Min Width" xmlAttribute="true"/>	
        <field name="maxWidth" type="positiveInteger" title="Max Width" xmlAttribute="true"/>	

        <!-- This is to allow for auto-wrapping -->
        <field name="portlets" type="Portlet" multiple="true" />
    </fields> 
</DataSource>
