Add custom post type #WP

Asset.php

$args = array(
        'label' => __('Products'),
        'singular_label' => __('Product'),
        'public' => true,
        'show_ui' => true,
        'capability_type' => 'page',
        'hierarchical' => false,
        'rewrite' => true,
        'query_var' => 'products',
        'supports' => array('title', 'thumbnail')
);
register_post_type( 'product' , $args );