How to use Process Interface Properly?
I have a doubt in how to use Process Interface properly. The typical use of process interface would somewhat be like option 1. The book by Rob Davis did not provide prohibited cases in process interface so I need some suggestion. My questions are
1) Can we use any rules to separate EVENT and PROCESS INTERFACE (like in Option2?). In other words, can multiple events trigger a process interface? Can we use process interface to connect process at different levels? The purpose of process interface in option 2 is to form linkages between process at two different levels.
2) Can an event triggers more than process interfaces? Or we should use occurrence copy of process interface and draw the connections with each event separately like option 1.
Please suggest! Thanks!