{% if overview %} {{ overview }} {% else %} {% include templates/_errorthrower.md missing_block='overview' purpose='states, in one or two sentences, the purpose of this document' %} {% endif %} * TOC {: toc} {% if prerequisites %} ### Before you begin {{ prerequisites }} {% else %} {% include templates/_errorthrower.md missing_block='prerequisites' heading='Before you begin' purpose='lists action prerequisites and knowledge prerequisites' %} {% endif %} {% if steps %} {{ steps }} {% else %} {% include templates/_errorthrower.md missing_block='steps' purpose='lists a sequence of numbered steps that accomplish the task.' %} {% endif %} {% if discussion %} {{ discussion }} {% else %} {% endif %} {% if whatsnext %} ### What's next {{ whatsnext }} {% endif %}