<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:tns="http://example.com"
targetNamespace="http://example.com"
elementFormDefault="qualified">
<xs:simpleType name="EnumType">
<xs:restriction base="xs:string">
<xs:pattern value="[A-Z]+" />
<xs:enumeration value="OFF" />
<xs:enumeration value="ON" />
<xs:enumeration value="AUTO" />
</xs:restriction>
</xs:simpleType>
<xs:complexType name="FooType">
<xs:sequence>
<xs:element name="Enum" type="tns:EnumType" />
</xs:sequence>
</xs:complexType>
<xs:element name="Foo" type="tns:FooType" />
</xs:schema>