YOUR_PLUGIN_NAME.xml

<?xml version="1.0" encoding="UTF-8" ?>
<extension version="1.5" type="plugin" group="vmshipmentrules" method="upgrade">
    <name>VMSHIPMENTRULES_TEMPLATE</name>
    <creationDate>2014-11-10</creationDate>
    <author>Reinhold Kainhofer, Open Tools</author>
    <authorUrl>http://www.open-tools.net</authorUrl>
    <copyright>Copyright (C) 2014, Reinhold Kainhofer</copyright>
    <license>GPL v3+</license>
    <version>1.0</version>
    <description>VMSHIPMENTRULES_TEMPLATE_DESC</description>
    <files>
        <filename plugin="YOUR_PLUGIN_NAME">YOUR_PLUGIN_NAME.php</filename>
        <folder>language</folder>
    </files>
    <languages folder="language">
        <language tag="en-GB">en-GB/en-GB.plg_vmshipmentrules_YOUR_PLUGIN_NAME.ini</language>
        <language tag="en-GB">en-GB/en-GB.plg_vmshipmentrules_YOUR_PLUGIN_NAME.sys.ini</language>
    </languages>
    <scriptfile>YOUR_PLUGIN_NAME.script.php</scriptfile>

    <!-- VM 3.x support (fields rather than params): -->
    <vmconfig></vmconfig>

    <!-- VM 2.0 support (params rather than fields): -->
    <params></params>

</extension>