Wordpress: Genesis set page to full (or any other) width layout

wordpress-genesis-page-layout.php

<?php
  /*set the Genesis layout to full width or any other width
  options as follows:
  content-sidebar,
  sidebar-content,
  content-sidebar-sidebar,
  sidebar-sidebar-content,
  sidebar-content-sidebar,
  full-width-content
  */
  function set_fullwidth_layout( $opt ) {
      $opt = 'full-width-content';
      return $opt;
  }
  add_filter( 'genesis_pre_get_option_site_layout', 'set_fullwidth_layout' );