{% fetchxml KB_Query %}
<fetch version="1.0" mapping="logical">
  <entity name="knowledgearticle">
    <attribute name="knowledgearticleid" />
    <attribute name="title" />
    <attribute name="content" />
    <order attribute="title" descending="false" />
    <filter type="and">
      <condition attribute="isrootarticle" operator="eq" value="0" />
    </filter>
  </entity>
</fetch>
{% endfetchxml %}

{% for item in KB_Query.results.entities %}
      <h3>{{ item.title }}</h3>
      <p>{{ item.content }}</p>
      {% unless forloop.last %},{% endunless %}
{% endfor -%}