For example, upon receiving a customer order processing completion event, the system can evaluate another rule to determine which customer notification method is appropriate, such as e-mail or telephone.

• 例如,当接收到客户制定处理完成这个事件的时候,系统可能使用另一个规则来确定应当采取哪种客户通告方法,例如电子邮件或电话。