Communication with different pools

Good evening,

Can someone really explain me how this work?
I can't find anything usefull to answer my question, just throwing or receiving messages...
I want to know if there some way to pass information to pool A to pool B.

Best regards,
Lucas Hort

How to pass a business variable(or data) to a different pool?

Good evening,

I'm having a problem passing data to different pools, what i have searched, to comunicate pools you need to throw a message and receive, but i can't pass the variable through the message.
Here is a pic of the process:
Bonita process

Lucas Hort