<?xml version="1.0" encoding="UTF-8"?>
<xs:schema
        xmlns:xs="http://www.w3.org/2001/XMLSchema" 
        xmlns:t="http://test.org/test_sch"
        targetNamespace="http://test.org/test_sch">
    
    <xs:element name="address_book">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="address" type="t:AddressType" minOccurs="0" maxOccurs="unbounded" />
            </xs:sequence>
        </xs:complexType>
    </xs:element>
    
    <xs:complexType name="AddressType">
        <xs:attribute name="City" type="xs:string" />
        <xs:attribute name="Region" type="xs:string" />
        <xs:attribute name="Street" type="xs:string" />
    </xs:complexType>

</xs:schema>

<?xml version="1.0" encoding="UTF-8"?>
<t:address_book xmlns:t="http://test.org/test_sch">
    <address City="New York" Region="NY" Street="Bush 1001/1" />
    <address City="Marakesh" Region="ZZ" Street="Bonobo 1002/3" />
</t:address_book>

<?xml version="1.0" encoding="UTF-8"?>
<t:address_book xmlns:t="http://test.org/test_sch">
    <t:address City="New York" Region="NY" Street="Bush 1001/1" />
    <t:address City="Marakesh" Region="ZZ" Street="Bonobo 1002/3" />
</t:address_book>