<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright 1999-2026. WebPros International GmbH. All rights reserved. -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
    <xs:include schemaLocation="plesk_common.xsd"/>
    <xs:complexType name="ExtensionInputType">
        <xs:choice maxOccurs="unbounded">
            <xs:element name="install">
                <xs:annotation>
                    <xs:documentation>Download and install an extension with the given URL or ID</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:choice>
                        <xs:element name="url" type="ExtensionUrlType"/>
                        <xs:element name="id" type="ExtensionIdType"/>
                    </xs:choice>
                </xs:complexType>
            </xs:element>
            <xs:element name="uninstall">
                <xs:annotation>
                    <xs:documentation>Uninstall an extension with the given ID</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="id" type="ExtensionIdType"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="call">
                <xs:annotation>
                    <xs:documentation>Call extension via API-RPC</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:sequence>
                        <xs:any processContents="skip" maxOccurs="unbounded"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="get">
                <xs:annotation>
                    <xs:documentation>Get list of installed extensions</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="filter" minOccurs="0" type="ExtensionSelectionFilter">
                            <xs:annotation>
                                <xs:documentation>Filter extensions to be retrieved</xs:documentation>
                            </xs:annotation>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:choice>
    </xs:complexType>
    <xs:complexType name="ExtensionOutputType">
        <xs:choice maxOccurs="unbounded">
            <xs:element name="install">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="result" type="resultType"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="uninstall">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="result" type="resultType"/>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="call">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="result">
                            <xs:complexType>
                                <xs:sequence>
                                    <xs:element name="status" type="result_status">
                                        <xs:annotation>
                                            <xs:documentation>Result status (ok/error)</xs:documentation>
                                        </xs:annotation>
                                    </xs:element>
                                    <xs:any processContents="skip" maxOccurs="unbounded"/>
                                </xs:sequence>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
            <xs:element name="get">
                <xs:complexType>
                    <xs:sequence>
                        <xs:element name="result">
                            <xs:complexType>
                                <xs:complexContent>
                                    <xs:extension base="resultFilterType">
                                        <xs:sequence minOccurs="0">
                                            <xs:element name="details" maxOccurs="unbounded">
                                                <xs:annotation>
                                                    <xs:documentation>Extensions data. Will not be returned if status isn't "ok"</xs:documentation>
                                                </xs:annotation>
                                                <xs:complexType>
                                                    <xs:annotation>
                                                        <xs:documentation>Extension details</xs:documentation>
                                                    </xs:annotation>
                                                    <xs:all>
                                                        <xs:element name="id" type="string" minOccurs="0"/>
                                                        <xs:element name="name" type="string" minOccurs="0"/>
                                                        <xs:element name="version" type="string" minOccurs="0"/>
                                                        <xs:element name="release" type="string" minOccurs="0"/>
                                                        <xs:element name="active" type="boolean" minOccurs="0"/>
                                                    </xs:all>
                                                </xs:complexType>
                                            </xs:element>
                                        </xs:sequence>
                                    </xs:extension>
                                </xs:complexContent>
                            </xs:complexType>
                        </xs:element>
                    </xs:sequence>
                </xs:complexType>
            </xs:element>
        </xs:choice>
    </xs:complexType>
    <xs:complexType name="ExtensionSelectionFilter">
        <xs:annotation>
            <xs:documentation>Filter extensions list</xs:documentation>
        </xs:annotation>
        <xs:choice minOccurs="1">
            <xs:element name="id" type="ExtensionIdType" maxOccurs="1">
                <xs:annotation>
                    <xs:documentation>Extension ID</xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:choice>
    </xs:complexType>
    <xs:simpleType name="ExtensionIdType">
        <xs:annotation>
            <xs:documentation>ID</xs:documentation>
        </xs:annotation>
        <xs:restriction base="string">
            <xs:minLength value="1"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name="ExtensionUrlType">
        <xs:annotation>
            <xs:documentation>URL</xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:string">
            <xs:minLength value="1"/>
            <xs:maxLength value="255"/>
            <xs:whiteSpace value="collapse"/>
        </xs:restriction>
    </xs:simpleType>
</xs:schema>
