Args for Add Ons CPT

args_add_ons.php

<?php
$args = array(
		'labels'             => $labels,
		'description'        => __( 'Paid Memberships Pro Add Ons', 'pmpro' ),
		'public'             => true,
		'publicly_queryable' => true,
		'show_ui'            => true,
		'show_in_menu'       => true,
		'query_var'          => true,
		'rewrite'            => array( 'slug' => 'add-ons' ),
		'menu_icon'			 => 'dashicons-admin-plugins',
		'capability_type'    => 'page',
		'has_archive'        => true,
		'hierarchical'       => true,
		'menu_position'      => null,
		'supports'           => array( 'title', 'editor', 'author', 'custom-fields', 'thumbnail', )
);
register_post_type( 'add-ons', $args );