[rules-users] How to use Drools Flow?

[XiaoMiTang]

Hi, I am tring to use Drools Flow in a B/S project,but get in trouble.
a simple ruleflow.rf  file like this:
===Start====
Start------>Action----->Email----->End
====End==

User A log in the system by a browser,press a button,execute the code below:
================
StatefulKnowledgeSession session = …………
session.startProcess("com.sample.ruleflow");
================
it works ok. the "Action" has been done,the Email has been sent, the whole
of flow was finished.


the problem is how to do with the .rf file like this?
==========
Start--->Action1(need user A to do it)---->Action2(need user B to do
it)-->Email-->End
==========

Can anyone please give me an idea ?
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