OrderFlow.java

private void createFlow() {
  engine.getRepositoryService().createDeployment()
    .addModelInstance(Bpmn.createExecutableProcess("order")
      .startEvent()
      .serviceTask().name("Retrieve payment").camundaClass(DoPaymentAdapter.class)
      .serviceTask().name("Fetch goods").camundaClass(PickGoodsAdapter.class)
      .serviceTask().name("Ship goods").camundaClass(ShipGoodsAdapter.class)
      .endEvent().camundaExecutionListenerClass("end", OrderCompletedAdapter.class)
      .done()
    ).deploy();
}