eiru_sale_utility_tool/static/src/xml/eiru_utility_tool_sale.xml

<?xml version="1.0" encoding="UTF-8"?>
<template xml:space="preserve">
    <t t-name="EiruUtilityTool.Sale">
        <button type="button" class="bottom-eiru-utility-tool-sale oe_button oe_highlight">
            Configuración de Cuota
        </button>
    </t>
</template>