pkg_admin.xml

<?xml version="1.0" encoding="UTF-8" ?>
<extension type="package"
           version="3.9"
           method="upgrade">
    <name>pkg_admin</name>
    <packagename>admin</packagename>
    <creationDate>@date@</creationDate>
    <packager>Joomla! Ukraine</packager>
    <copyright>(C) 2018-2023 Denys Nosov, Joomla! Ukraine</copyright>
    <packagerurl>https://joomla-ua.org</packagerurl>
    <author>Denys Nosov, Joomla! Ukraine</author>
    <authorEmail>denys@joomla-ua.org</authorEmail>
    <authorUrl>https://joomla-ua.org</authorUrl>
    <version>@version@</version>
    <license>GNU/GPL Version 2 or later and Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License</license>
    <description>Admin template</description>

    <scriptfile>script.php</scriptfile>

    <update>https://joomla-ua.org/update/tmpl/admin.xml</update>
    <updateservers>
        <server type="extension"
                priority="1"
                name="admin">https://joomla-ua.org/update/tmpl/admin.xml</server>
    </updateservers>

    <files folder="packages">
        <file type="template"
              id="admin"
              client="site">tpl_admin.zip</file>

        <file type="file"
              id="file_lib"
              client="site">file_lib.zip</file>
    </files>
</extension>