<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://contoso.com /Vehicles" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="Vehicle" type="veh:VehicleType" xmlns:veh="http://contoso.com /Vehicles"/>
  <xs:complexType name="VehicleType">
    <xs:sequence>
      <xs:element ref="color"/>
      <xs:element ref="wheels"/>
      <xs:element ref="seats"/>
    </xs:sequence>
  </xs:complexType>
</xs:schema>