A tutorial is included in the full PsyNeuLink package, available from the PyPi Download or Github Repository.  In addition, the following provides access to a browser-enabled standalone version of the tutorial.

Instructions

Go to: mybinder.org

Paste into the URL field: https://github.com/PrincetonUniversity/PsyNeuLink
In the branch field: master
In the file path field: tutorial
Click launch and an interactive notebook will be built in approximately a minute.