Once you have created the parent and subprocess definition, you can connect them.
To connect process definitions using drag and drop:
To connect the parent process definition and the subprocess, drag the subprocess definition and drop it on the Subprocess Node of the parent process definition.
To connect process definitions using Browse:
Ensure that you have added a Subprocess Node to the parent process definition.
Select the Subprocess Node to display the Properties view for the node.
Select the Data Mapping tab.
Click Browse.
In the Select Subprocess Definition dialog, click Get List.
Select the subprocess definition and click OK.
