Creating a Page Sort-By Select Box - Developer Example

#if ($parameters["changeItemSortOrder"])
  $group.setCurrentItemSortOrder($parameters["changeItemSortOrder"])
#end

#if($group.getItemCount() > 0)
  <div class="columns small-8 medium-4">
    <div class="label-group small">
      <label for="itemSortOrder">Relevance:</label>
      <select id="itemSortOrder">
        #foreach($sortOrder in $group.getAvailableItemSortOrders())
        <option #if($group.getCurrentItemSortOrder().equals($sortOrder)) selected #end>$sortOrder</option>
        #end
      </select>
    </div>
  </div>
#end