Display Categories

function dm_display_wpjm_categories () {
 	 $terms = get_terms( array(
    'taxonomy' => 'job_listing_category',
    'hide_empty' => false,
) );
  
if ( ! empty( $terms ) && ! is_wp_error( $terms ) ){
    echo '<ul>';
    foreach ( $terms as $term ) {
        echo '<li>' . '<a href="' . esc_url( get_term_link( $term ) ) . '">' . $term->name . '</a></li>';
    }
    echo '</ul>';
}
}

add_shortcode('list_categories', 'dm_display_wpjm_categories');

Hi really new to this. Does this snippet go in functions.php? From a beginner point of view it is always nice to see the filename in the comments. :-)