ParmGearMenu.xml

<?xml version="1.0" encoding="UTF-8"?>

<!-- Add ftrimify_all() to the Gear Menu. -->

<menuDocument>
    <menu>
        <subMenu id="labs_menu">
        <label>Labs</label>
            <insertBefore>preset_menu_strip</insertBefore>
            <scriptItem id="ftrimify_all">
                <label>Trim Excess Fractional Digits</label>
                <scriptCode><![CDATA[
from labsopui import ftrimify
ftrimify.ftrimify_all(kwargs["node"])
]]></scriptCode>
            </scriptItem>
        </subMenu>
    </menu>
</menuDocument>