How to access data of reusable subprocess in parent process?

I have this situation:

When person orders something i have two things to do: one is to take the order, and another is to make what was ordered.

So i've created Reusable Process called TakeOrder and a process MakeOrder.

Part of the MakeOrder process flow is TakeOrder.

In TakeOrder i fill in such informations like ClientName.

Now everything works fine. When i go through the TakeOrder i fill all info, process ends and i can go to MakeOrder to continue the flow.

So now i would like to know while i'm making the order for who i do it. So in MakeOrder process i would like to be able to access entity of TakeOrder to get for example ClientName.

So far i figured out to add attribute OrderTaken to MakeOrder of type of a entity of TakeOrder.

It does not fill out automatically.

So i added on Exit of TakeOrder an expression of type Assignment and i assigned TakeOrder to the attribute OrderTaken.

And i've deployed it to test, opened this question to get help because i thought it would not work but...

hey. It works! So i post it for others maybe someone will find it helpful. Awesome !