add widget in wordpress

function.php 

function add_footer_more_init(){
    
    register_sidebar(array(
        'name'=> 'New footer My',
        'id'=> 'new_footer_area',
        'before_widget'=> '<aside>',
        'after_widget'=> '</aside>',
        'before_title'=> '<h3 class="widget-title">',
        'after_title'=> '</h3>',
    ));
    
}

add_action('widgets_init', 'add_footer_more_init'); 



sidebar-footer.php


    <div id="my_here_code">
        <div class="container">
            <div class="row">
                <?php if(dynamic_sidebar('new_footer_area')): else : endif; ?>
            </div>
        </div>
    </div>