There is a set of process engine APIs which you can use to control the process life cycle (for example, start, stop), and to handle work items for staff activity.
The interaction between components such as the business process engine, human task engine, authorization management, and staff support service, are also explained.
同时还解释了诸如业务流程引擎、人工任务引擎、授权管理，以及人员支持服务等组件之间的交互。
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The Reaganites not only grasped that the engine of power for the administration is the White House staff rather than the cabinet. They also understood the importance of hitting the ground running.