e class="usage"><span class='fu'>build_derived_field_node</span><span class='op'>(</span><span class='va'>vars_sheet</span>, <span class='va'>var_details_sheet</span>, <span class='va'>var_name</span>, <span class='va'>db_name</span><span class='op'>)</span></pre>
    
    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>vars_sheet</th>
      <td><