The service object has the following properties服务对象具有以下属性.

The service dependency object represents a dependency between services. It has the following properties服务依赖对象表示服务之间的依赖关系，它具有以下属性.

The service alarm objects represents an service's state change. It has the following properties服务告警对象代表服务的状态变化，它具有以下属性.