Email Subscriber CPT

// Register Custom Post Type
function subscribers_post_type() {

	$labels = array(
		'name'                => 'Subscribers',
		'singular_name'       => 'Subscriber',
		'menu_name'           => 'Subscribers',
		'parent_item_colon'   => 'Parent Subscriber:',
		'all_items'           => 'All Subscribers',
		'view_item'           => 'View Subscriber',
		'add_new_item'        => 'Add New Subscriber',
		'add_new'             => 'Add Subscriber',
		'edit_item'           => 'Edit Subscriber',
		'update_item'         => 'Update Subscriber',
		'search_items'        => 'Search Subscriber',
		'not_found'           => 'Subscriber Not found',
		'not_found_in_trash'  => 'Subscriber Not found in Trash',
	);
	$args = array(
		'label'               => 'subscribers',
		'description'         => 'Post type for email subscriptions',
		'labels'              => $labels,
		'supports'            => array( 'title', ),
		'hierarchical'        => false,
		'public'              => false,
		'show_ui'             => true,
		'show_in_menu'        => true,
		'show_in_nav_menus'   => false,
		'show_in_admin_bar'   => true,
		'menu_position'       => 25,
		'menu_icon'           => 'dashicons-groups',
		'can_export'          => true,
		'has_archive'         => false,
		'exclude_from_search' => true,
		'publicly_queryable'  => false,
		'rewrite'             => false,
		'capability_type'     => 'post',
	);
	register_post_type( 'subscribers', $args );

}

add_action( 'init', 'subscribers_post_type', 0 );