This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Does "Party" have such a method? If not, it's not intended to be run as a standalone application; perhaps it's part of a larger example, which you would run using some other class, or perhaps it's just meant as a partial example, not intended for you to run.