The XSD File

Example:

<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns="http://www.zend.com/server/deployment-descriptor/1.0"
targetNamespace="http://www.zend.com/server/deployment-descriptor/1.0"
elementFormDefault="qualified">
<xs:element name="package">
<xs:annotation>
                <xs:documentation></xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="name" minOccurs="1" maxOccurs="1" />
                                <xs:element name="summary" minOccurs="0" maxOccurs="1" />
                                <xs:element name="description" minOccurs="0" maxOccurs="1" />
                                <xs:element ref="version" minOccurs="1" maxOccurs="1" />
                                <xs:element name="icon" type="xs:string" minOccurs="0" maxOccurs="1" />
                                <xs:element name="eula" type="xs:string" minOccurs="0" maxOccurs="1" />
                                <xs:element name="appdir" type="xs:string" minOccurs="1" maxOccurs="1" />
                                <xs:element name="docroot" type="xs:string" minOccurs="0" maxOccurs="1" />
                                <xs:element name="scriptsdir" type="xs:string" minOccurs="0" maxOccurs="1" />
                                <xs:element name="healthcheck" type="xs:string" minOccurs="0" maxOccurs="1" />
                                <xs:element ref="dependencies" minOccurs="0" maxOccurs="1" />
                                <xs:element ref="parameters" minOccurs="0" maxOccurs="1" />
                                <xs:element ref="variables" minOccurs="0" maxOccurs="1" />
                                <xs:element ref="persistentresources" minOccurs="0" maxOccurs="1" />
                </xs:sequence>

                <xs:attribute name="version" type="xs:string" use="required">
                                <xs:annotation>
                                                <xs:documentation>Package descriptor format version</xs:documentation>
                                </xs:annotation>
                </xs:attribute>

</xs:complexType>
</xs:element>

<xs:element name="version">
<xs:annotation>
                <xs:documentation>Application version</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="release" minOccurs="1" maxOccurs="1" />
                                <xs:element name="api" minOccurs="0" maxOccurs="1" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="dependencies">
<xs:annotation>
                <xs:documentation>Application dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element name="required" minOccurs="0" maxOccurs="1">
                <xs:annotation>
                                <xs:documentation></xs:documentation>
                </xs:annotation>
                <xs:complexType>
                                <xs:sequence>
                                                <xs:element ref="php" minOccurs="0"
maxOccurs="unbounded" />
                                                <xs:element ref="extension" minOccurs="0" maxOccurs="unbounded" />
                                                <xs:element ref="directive" minOccurs="0" maxOccurs="unbounded" />
                                                <xs:element ref="zendserver" minOccurs="0" maxOccurs="unbounded" />
                                                <xs:element ref="zendservercomponent" minOccurs="0"
                                                                maxOccurs="unbounded" />
                                                <xs:element ref="zendframework" minOccurs="0"
                                                                maxOccurs="unbounded" />
                                </xs:sequence>
                </xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="php">
<xs:annotation>
<xs:documentation>PHP version dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="equals" minOccurs="0" maxOccurs="1" />
                                <xs:element name="min" minOccurs="0" maxOccurs="1" />
                                <xs:element name="max" minOccurs="0" maxOccurs="1" />
                                <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded"
/>
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="extension">
<xs:annotation>
                <xs:documentation>PHP extensions dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence
                                <xs:element name="name" minOccurs="1" maxOccurs="1" />
                                <xs:element name="equals" minOccurs="0" maxOccurs="1" />
                                <xs:element name="min" minOccurs="0" maxOccurs="1" />
                                <xs:element name="max" minOccurs="0" maxOccurs="1" />
                                <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded" />
                                <xs:element name="conflicts" minOccurs="0" maxOccurs="1" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="directive">
<xs:annotation>
                <xs:documentation>PHP directives dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="name" minOccurs="1" maxOccurs="1" />
                                <xs:element name="equals" minOccurs="0" maxOccurs="1" />
                                <xs:element name="min" minOccurs="0" maxOccurs="1" />
                                <xs:element name="max" minOccurs="0" maxOccurs="1" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="zendserver">
<xs:annotation>
                <xs:documentation>Zend Server dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="equals" minOccurs="0" maxOccurs="1" />
                                <xs:element name="min" minOccurs="0" maxOccurs="1" />
                                <xs:element name="max" minOccurs="0" maxOccurs="1" />
                                <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="zendservercomponent">
<xs:annotation>
                <xs:documentation>Zend Server components dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="name" minOccurs="1" maxOccurs="1" />
                                <xs:element name="equals" minOccurs="0" maxOccurs="1" />
                                <xs:element name="min" minOccurs="0" maxOccurs="1" />
                                <xs:element name="max" minOccurs="0" maxOccurs="1" />
                                <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded"/>
                                <xs:element name="conflicts" minOccurs="0" maxOccurs="1" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="zendframework">
<xs:annotation>
                <xs:documentation>Zend Framework dependencies block</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element name="equals" minOccurs="0" maxOccurs="1" />
                                <xs:element name="min" minOccurs="0" maxOccurs="1" />
                                <xs:element name="max" minOccurs="0" maxOccurs="1" />
                                <xs:element name="exclude" minOccurs="0" maxOccurs="unbounded" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="parameters">
<xs:annotation>
                <xs:documentation>Package parameters</xs:documentation>
</xs:annotation>
<xs:complexType>
                <xs:sequence>
                                <xs:element ref="parameter" minOccurs="0"
maxOccurs="unbounded" />
                </xs:sequence>
</xs:complexType>
</xs:element>

<xs:element name="parameter">
<xs:annotation>
                <xs:documentation></xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element name="validation" minOccurs="0" maxOccurs="1">
<xs:complexType>
<xs:sequence>
<xs:element name="enums" minOccurs="0" maxOccurs="unbounded">
<xs:complexType>
                <xs:sequence>
                                <xs:element name="enum" minOccurs="1" maxOccurs="unbounded" />
                </xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="defaultvalue" minOccurs="0" maxOccurs="1" />
<xs:element name="description" minOccurs="0" maxOccurs="1" />
</xs:sequence>
<xs:attribute name="id" type="xs:string" use="required" />
<xs:attribute name="display" type="xs:string" use="required" />
<xs:attribute name="required" type="xs:boolean" use="required" />
<xs:attribute name="type" use="required">
<xs:simpleType>
                <xs:restriction base="xs:string">
                                <xs:enumeration value="choice"></xs:enumeration>
                                <xs:enumeration value="string"></xs:enumeration>
                                <xs:enumeration value="password"></xs:enumeration>
                                <xs:enumeration value="email"></xs:enumeration>
                                <xs:enumeration value="checkbox"></xs:enumeration>
                                <xs:enumeration value="number"></xs:enumeration>
                                <xs:enumeration value="hostname"></xs:enumeration>
                </xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="identical" type="xs:string" use="optional">
<xs:annotation>
                <xs:documentation>Use to check equality with other
parameter</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="readonly" type="xs:boolean" use="optional" />
</xs:complexType>
</xs:element>

<xs:element name="variables">
<xs:annotation>
<xs:documentation>Environment variables for the deployment scripts</xs:documentation></xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" maxOccurs="unbounded" name="variable">
                <xs:annotation>
                                <xs:documentation>Single environment variable with a name and a
                                                string value.</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                                <xs:attribute name="name" use="required">
                                                <xs:annotation>
                                                                <xs:documentation>Environment variable name.</xs:documentation>
                                                </xs:annotation>
                                                <xs:simpleType>
                                                                <xs:restriction base="xs:string">
                                                                                <xs:whiteSpace value="preserve" />
                                                                                <xs:minLengthvalue="1" />
                                                               </xs:restriction>
                                               </xs:simpleType>
                               </xs:attribute>
                               <xs:attribute name="value" use="required">
                                               <xs:annotation>
                                                               <xs:documentation>Environment variable value.</xs:documentation>
                                               </xs:annotation>
                                               <xs:simpleType>
                                                               <xs:restriction base="xs:string">
                                                                               <xs:minLength value="1" />
                                                               </xs:restriction>
                                               </xs:simpleType>
                               </xs:attribute>
               </xs:complexType>
/xs:element>
/xs:sequence>
/xs:complexType>
/xs:element>

xs:element name="persistentresources">
xs:annotation>
xs:documentation>Persistent resources to be kept during upgrade</xs:documentation>
/xs:annotation>
xs:complexType>
xs:sequence>
               <xs:element name="resource" minOccurs="0" maxOccurs="unbounded" />
/xs:sequence>
/xs:complexType>
xs:element>
/xs:schema>