add_filter( 'woocommerce_order_status_completed', function( $order_id ){
	if( class_exists( 'WP_Papertrail_API'  ) ){
		WP_Papertrail_API::log(
			[
				'details' => WC_API_Orders::get_order( $order_id ),
				'order-id' => $order_id
			], 'new_order' );
	}
	return $order_id;
});