Developing SOA Applications with Oracle SOA Suite Using the Oracle Mediator Service Component Creating Oracle Mediator Routing Rules Defining Routing Rules How to Create Static Routing Rules How to Specify Mediator Services or Events To echo a service: To echo a service: In the Routing Rules section, click Add next to the operation for which you are defining routing rules, and then select static routing rule. The Target Type dialog is displayed, as shown in Figure 20-7. Figure 20-7 Target Type DialogDescription of "Figure 20-7 Target Type Dialog" Click Echo. Note: The Echo button only appears on the Target Type dialog if the interface is synchronous or asynchronous. Figure 20-8 shows a routing rule with a synchronous echo. An asynchronous echo has an icon with a dotted line on the return. Figure 20-8 Sample Mediator Supporting Echo OperationDescription of "Figure 20-8 Sample Mediator Supporting Echo Operation"