Plug-in deployment descriptor XSD

The following example shows the XML schema document for a plug-in deployment descriptor.
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

    <xsd:element name="Plugin">
        <xsd:complexType>
            <xsd:sequence maxOccurs="1" minOccurs="1">
                <xsd:element ref="PluginInformation"/>
            </xsd:sequence>
        </xsd:complexType>
    </xsd:element>

    <xsd:element name="PluginInformation">
        <xsd:complexType>
            <xsd:sequence  maxOccurs="unbounded" minOccurs="0">
                <xsd:element ref="PluginProperty"/>
            </xsd:sequence>
            <xsd:attribute  name="name" 
                                type="xsd:string" 
                                use="required"/>
            <xsd:attribute  name="jndi" 
                                type="xsd:string" use="required"/>
            <xsd:attribute  name="home" 
                                type="xsd:string" 
                                use="required"/>
            <xsd:attribute  name="vendor" 
                                type="xsd:string" 
                                use="required"/>
            <xsd:attribute  name="version" 
                                type="xsd:string" 
                                use="required"/>
            <xsd:attribute  name="supportIndependentCredit"
                                type="xsd:boolean" 
                                use="required"/>
            <xsd:attribute  name="virtualTerminal" 
                                type="xsd:string" use="required"/>
        </xsd:complexType>
    </xsd:element>

    <xsd:element name="PluginProperty">
        <xsd:complexType>
            <xsd:attribute name="name" 
                                type="xsd:string" 
                                use="required"/>
            <xsd:attribute  name="value" 
                                type="xsd:string" 
                                use="required"/>
        </xsd:complexType>
    </xsd:element>

</xsd:schema>