How to draw an activity diagram for Usecase that have two actor

Question

I have a use-case with two actors. One actor is into the system like member and one other actor is out of the system like bank and my system has interaction with these actors. I want to draw an Activity Diagram for this use-case. I have a problem with swim-lanes of this activity diagram.

Should I use three swim-lanes in this activity diagram? How to draw this activity diagram?

Answer 1

Yes you should use at least three swimlanes, one for the system and one for each actors cf my example.