Defining Logical Routing
In logical routing, you define the flow of message in a system landscape.
You define receiver determinations to specify the receiver or receivers of the message, as well as conditions for the forwarding of the message to the receiver or receivers.
More information: Defining Receiver Determinations
To specify the receiver interfaces that the message is to be sent to, define interface determinations. You can also define mappings here, if required.
More information: Defining Interface Determinations