<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
	<!-- define a complex type called 'info' -->
	<xs:complexType name="info">
		<!-- define allowable elements as a sequence -->
		<xs:sequence>
			<xs:element name="lastname" type="xs:string"/>
			<xs:element name="spend" type="xs:decimal"/>
		</xs:sequence>
	</xs:complexType>
	<!-- declare an element of the 'info' type -->
	<xs:element name="shopper" type="info"/>
</xs:schema>