This document provides instructions for setting up a Google Hangouts On Air event to broadcast a TeachMeetNZ session. The steps include clicking "Hangouts" and "Start a hangout on air" in Google+, filling in event details, pressing "Start", inviting guests to join, grabbing the embed code, pasting it into the TeachMeetNZ wiki page, and starting the broadcast. The document aims to guide users through the process of setting up and broadcasting a livestreamed event using Google Hangouts On Air.