What's the term for this? [found, fluent interface]

object.method1().method2().method3()

object.method1().method2().method3()

private void makeFluent(Customer customer) {
        customer.newOrder()
                .with(6, "TAL")
                .with(5, "HPK").skippable()
                .with(3, "LGV")
                .priorityRush();
    }