<?xml version="1.0" encoding="UTF-8"?> <MyRootObject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="..\Schema\Cardinality.xsd"> <ASimpleStringMandatoryElement>Some Required Data</ASimpleStringMandatoryElement> <ASimpleDateMandatoryElement>2003-11-23</ASimpleDateMandatoryElement> <AComplexMandatoryElement> <ChildItem>Some More Required Data</ChildItem> </AComplexMandatoryElement> </MyRootObject>