Within a message flow, you might want to include an embedded message flow, also known as a subflow.
Before you start
To complete this task, you must have completed one of the following tasks:
When you add a subflow, it appears in the editor view as a single node.
You can embed subflows into your message flow if either of the following statements is true:
To add a subflow to a message flow:
When you have added the nodes that you want in this message flow, you can connect them to specify the flow of control through the message flow, and you can modify their properties.