AKS-Demos/WordPress-Demo/Code/public/wp-content/themes/twentytwenty/templates/template-full-width.php

<?php
/**
 * Template Name: Full Width Template
 * Template Post Type: post, page
 *
 * @package WordPress
 * @subpackage Twenty_Twenty
 * @since Twenty Twenty 1.0
 */

get_template_part( 'singular' );