Concrete Example of ID3 Data from HLS Audio in Audio Node?

I'm using this as a guide https://developer.roku.com/en-ca/docs/references/scenegraph/media-playback-nodes/audio.md

My set up code is like this:

function init()
  m.top.id = "AudioPlayer"
  m.metadataTimer = m.top.findNode("metadataTimer")
  m.player = m.top.findNode("player")
  m.player.notificationInterval = 1
  m.metadataTimer.observeField("fire", "timedMetaDataChanged")
  m.player.timedMetaDataSelectionKeys = [""]
end function

I'm playing an hls audio stream over the internet.

I've set a timer above and also tried