{% load appearance_tags %}

{% get_icon 'mayan.apps.document_indexing.icons.icon_index_instance_node_with_documents' as icon_index_instance_node_with_documents %}
{% get_icon 'mayan.apps.document_indexing.icons.icon_index_level_up' as icon_index_level_up %}

<a href="{{ index_instance_node.get_absolute_url }}">
    {% if index_instance_node.index_template_node.link_documents %}
        {{ icon_index_instance_node_with_documents }}
    {% else %}
        {{ icon_index_level_up }}
    {% endif %}
    {{ index_instance_node }}
</a>