How to run call processes with a list?

Hello everybody,

I am a beginner on Bonita and I have to create a process that will create and launch other processes (call activity). My parent process contains a business variable which has 3 fields:
-"MasterMO" (it is a reference)
-"ChildMOs" This list "ChildMOs" type is "ChildMO" which is another "multiple" business data which contain


Parallel Multi-Instantiation & Boundary Events

We have a use case for parallel multi-instantiation with a variable number of tasks & possible actors (budgetary approval for a request)

One of the requirements is to allow users to determine they approve all their possible line items from one line item --- but they don't want all the possible line items batched together bonita1.png