Show a menu if a condition is true

{% if page.header.level1menu %}

{% if page.header.level1menu == true %} 

{% if find.page("/en/1st-level/health") == true %}

{% if in a sub-modular page then show %}

<div class="row">
<nav class="nav">
{% if theme_config.dropdown.enabled %}
    {{ _self.loop(pages) }}
{% else %}
    {% for page in pages.children.visible %}
        {% set current_page = (page.active or page.activeChild) ? 'selected' : '' %}
        <li class="nav-item {{ current_page }}">
            <a href="{{ page.url }}" class="nav-link active">
                {% if page.header.icon %}<i class="fa fa-{{ page.header.icon }}"></i>{% endif %}
                {{ page.menu }}
            </a>
        </li>
    {% endfor %}
{% endif %}
{% for mitem in site.menu %}
    <li>
        <a href="{{ mitem.url }}">
            {% if mitem.icon %}<i class="fa fa-{{ mitem.icon }}"></i>{% endif %}
            {{ mitem.text }}
        </a>
    </li>
{% endfor %}
</nav>
</div>

 {% endif %}

<div class="row">
{% if show_onpage_menu %}
    <nav id="sticky-top" class="nav w-100 green1bg">
    {% for module in page.collection() %}
        {% set current_module = (module.active or module.activeChild) ? 'active' : '' %}
        <li class="nav-item {{ current_module }}"><a href="#{{ _self.pageLinkName(module.menu) }}" class="nav-link">{{ module.menu }}</a></li>
    {% endfor %}
    {% for mitem in site.menu %}
        <li>
            <a {% if mitem.class %}class="{{ mitem.class }}"{% endif %} href="{{ mitem.url }}">
                {% if mitem.icon %}<i class="fa fa-{{ mitem.icon }}"></i>{% endif %}
                {{ mitem.text }}
            </a>
        </li>
    {% endfor %}
  </nav>
{% else %}
    {{  parent() }}
{% endif %}
  </div>
{% endblock %}
{% block content %}
{{ page.content }}
{% for module in page.collection() %}
<div id="{{ _self.pageLinkName(module.menu) }}"></div>
    {{ module.content }}
{% endfor %}
{% endblock %}

{% for page in pages.children %}
//Display a link:
<a href="{{ page.url }}" >{{ page.menu }}</a>
{% endfor %}

{% if page.children.count() > 0 and base_url == false %}   // and the page is not home.

{% for mitem in site.menu %}
    <li>
        <a href="{{ mitem.url }}">
            {% if mitem.icon %}<i class="fa fa-{{ mitem.icon }}"></i>{% endif %}
            {{ mitem.text }}
        </a>
    </li>
{% endfor %}