willow-custom-template-class.php

<?php

// factory.php

$dashboard = new q\user\controller\dashboard();
$dashboard->hooks();

// dashboard.php

namespace q\theme\child\controller;

class page {

	function __construct(){

		// ... empty ##

	}

	function hooks(){

		// add custom view ##
		\add_filter( 'willow/view/custom', function( $array ){
			return array_merge(
				[
					'dashboard.willow'      => [ 
						'template'			      => 'dashboard.willow',
						'name'  			        => 'User : Dashboard',
						'class'  			        => '\q_user'
					],
				],
				$array
			);
		}, 10, 1 );

	}

}