Is Matrix > Entries > Matrix possible? I have a matrix field with an entries field which ties into another matrix field. Is this possible? Here's what I have so far...

{% for block in entry.contentMatrix %}

  {# Tabs Block Type #}
  {% if block.type == "tabs" %}
    {% set entries = craft.entries.relatedTo(block.tabEntry) %}

    {% for entry in entries %}
      {# Matrix Content #}
      {% for block in entry.tabsMatrix.type('videoChannel, videoPlayer, copy') %}
        {{ block.title }}
      {% endfor %}
    {% endfor %}
  {% endif %}

{% endfor %}


This does not produce an error, just nothing.
Do you need to filter by block type?

Maybe something like this:

{% for block in entry.contentMatrix %}

    {# Tabs Block Type #}
    {% if block.type == "tabs" %}

        {% set entries = craft.entries.relatedTo(block.tabEntry) %}

        {% for entry in entries %}
            {# Matrix Content #}
            {% for content in entry.tabsMatrix.type('videoChannel, videoPlayer, copy') %}

                {% if content.type == "videoChannel" %}
                    {{ content.title }}
                {% elseif content.type == "videoPlayer" %}
                    {{ content.url }}
                {% else %}
                    {{ content.text }}
                {% endif %}

            {% endfor %}

        {% endfor %}

    {% endif %}

{% endfor %}


Note: Matrix Content vars (*.title, *url, *text) are just examples.