Twitch Player JS API: Broken initCallback?

API
2

I snooped Twitch’s source and found the new callback call.

Flash var:

eventsCallback=playerCallback

Example function:

function playerCallback(data) {
    data.forEach(function(event) {
        // event.event is the event's name
        // event.data holds (from what I've seen) video data for the event
    }
}