nboat.odoo-community.org/builds?repo=OCA/product-attribute&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
<p>This module adds a constraint on the internal reference of the product
to make it unique across the database.</p>
<p><strong>Table of contents</strong></p>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><a class="reference internal" href="#usage" id="toc-entry-1">Usage</a></li>
<li><a class="refe