From the Applications window:

  1. In the Applications window, expand the SOA project and then expand the SOA Content folder.

  2. In the SOA Content folder, double-click the name of the Mediator file in which you want to specify the routing rules.

    The Mediator file has an MPLAN extension.

  3. If the Routing Rules section is not visible, click the Plus (+) icon next to Routing Rules.