View file Web Template Ktpl/package/system/controllers/ktpl/manifest.php

<?php

    return array(

        'hooks' => array(
            'widgets_before_list',
            'menu_before_list',
            'engine_start',
            'content_before_list',
            'content_before_item',
            'comments_before_list',
            'wall_before_list',
			'users_profile_view',
			'comment_systems',
			'error_404'
        )

    );