Custom Post register

    register_post_type( 'portfolios',
        array(
            'labels' => array(
                'name' => __( 'Portfolio Items' ),
                'singular_name' => __( 'Portfolio Item' ),
                'add_new_item' => __( 'Add New Portfolio Item' )
            ),
            'public' => true,
            'supports' => array('title', 'editor', 'custom-fields', 'thumbnail'),
            'has_archive' => true,
            'capability_type' => 'page',
            'rewrite' => array('slug' => 'item'),

        )