 change every 24
hours.</p>
<p>In order to make the webhook accessible, the system must be public.</p>
</div>
<div class="section" id="configure-the-gateway">
<h3><a class="toc-backref" href="#toc-entry-3">Configure the gateway</a></h3>
<p>Once you have created the Meta App, you need to add the gateway and
webhook. In order to make it you must follow this steps:</p>
<ul class="simple">
<li>Access Settings &gt; Emails &gt; Mail Gateway</li>
<li>Create a Gateway of type WhatsApp</li>
</ul>
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