Now that you've followed this tutorial you know how to use the behavior tree tool. The limit of what you can create with it is your imagination.
You could for example try to expand the behavior from the extra assignment to keep moving to where the agent last saw its target.
During this tutorial you learned:
The basics of behavior tree theory
How to install and use the behavior tree tool
How to design and create a behavior tree using the behavior tree tool
How to implement the behavior tree
In the extra assignment you learned how to
Design and create more complex behavior
Create a new action node for in the behavior tree
Are you curious about the source-code or would you like to make your own changes? Check out the Github page.
If this tutorial helped you, or if you have feedback, don't be shy to let me know through social media.