该面板可以附加gate条件，而在该场景中未使用，因为该条件包含目标服务而无消息内容。
This panel also lets you add in gate conditions, which are not being used in this scenario since the conditionality involves target service and not message content.
图6显示的是第二种方法，该方法只使用单个输入和输出条件，但它会把所有未连接的输入和输出的最小增殖次数设置为零。
Figure 6 shows the second approach, which USES only a single input and output criterion, but sets the minimum multiplicity of all disconnected inputs and outputs to zero.
本例中未使用的一种特殊的筛选条件是Success条件。
One special filter condition that is not used in this example is the Success condition.
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