una/template/layout_1_column_half.html

<!-- layout 1 column half [ start ] -->
<div id="__page_id__" class="bx-layout-wrapper bx-layout-1-column-half">
    <bx_include_auto:_row_1_column_half.html />
    <bx_include_auto:_row_1_column_dump.html />
</div>
<!-- layout 1 column half [  end  ] -->