span> <span class='op'>=</span> <span class='id identifier rubyid_authentication_before_action'>authentication_before_action</span><span class='period'>.</span><span class='id identifier rubyid_to_sym'>to_sym</span>
<span class='kw'>end</span></pre>
    </td>
  </tr>
</table>
</div>
    
      <div class="method_details ">
  <h3 class="signature " id="button-class_method">
  
    .<strong>button</strong>(comp_name_or_cst_or_class, model_or_family_name_or_cst = nil, label_opts: nil, params: nil, feasibility_