Define Sub Process to Root
You can define sub processes to the base process being created or for a
pre-defined sub process under a base process.
This option will not be available if you have selected the base
process as executable. A process can have multiple executable sub processes; however, an
executable sub process cannot have sub process within it. It can have only
computation/classification rules as components.
To create a sub process in the Process Definition (New Mode)
window: