&lt;p&gt;A new message has been received!&lt;/p&gt;    {% for item in data.items %} &lt;p&gt;   &lt;b&gt;{{ item.label }}:&lt;/b&gt; &lt;br&gt;{{ item.value is iterable ? item.value|join(', ') : item.value }} &lt;/p&gt;     {% endfor %}  {% if data.url %} &lt;p&gt;Sent from &lt;a href=&quot;{{ data.url|replace({'&amp;':'&'}) }}&quot;&gt;{{ data.url }}&lt;/a&gt;&lt;/p&gt; {% endif %}