[cbk1994]

Just use the F2 window, it's better if you're not making a full GUI.

PHP Code:

function onPlayerChats() {
  if (player.chat == "banlist") {
    sendRPGMessage("<b>Banned players:</b>");
    for (temp.acc : this.banned) {
      sendRPGMessage(acc);
    }
  }
}