Broadcast characteristic value

I'd like to broadcast a characteristic value so it can be read from the advertising information without connecting.

Here's an Arduino example increments a counter and broadcasts the value - BroadcastCount.ino. Using nRF Connect, I can see the characteristic value. (See attached image.)

According to the docs, it looks NRF.setServices broadcast property might do this, but I can't get it to work on the Puck.js.

// Demonstrate broadcasting a characteristic value
// Use nRF Connect to see the counter value without connecting

let count = 0;

NRF.setServices({
    0xEEE0 : {
      0xEEE1 : {
        value: count,
        readable: true,
        notify: true,
        broadcast: true,
        description: 'Count'
      }
    }
  }, { advertise: [ 'EEE0' ] });

function notify() {
  NRF.updateServices({
    0xEEE0 : {
      0xEEE1 : {
        value: count,
        broadcast: true,
        notify: true
      }
    }
  });
}

setInterval(function() {
  count++;
  notify();
}, 1000);

Should broadcast update the service info or do I need to manually build this into the advertising data?

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