Template - Force Layout
<?php
// Do NOT include the opening php tag
add_filter( 'genesis_pre_get_option_site_layout', 'child_do_layout' );
/**
* Force layout
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_do_layout( $opt ) {
$opt = 'full-width-content'; // You can change this to any Genesis layout
return $opt;
}