reporting-engine/kpi_dashboard_altair/static/src/xml/dashboard.xml

<?xml version="1.0" encoding="UTF-8" ?>
<template>
    <t t-name="kpi_dashboard.altair" t-extend="kpi_dashboard.base_widget">
        <t t-jquery="h1" t-operation="after">
            <div data-bind="value"/>
        </t>
    </t>

</template>