.nick desnt work can someone help how do i give someone a tag if i start a command in chat

[timber nimbus]

?code

[dry beacon]

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[timber nimbus]

@lofty nebula it's
entity.addTag('nick:....')
entity.removeTag('foo')

[lofty nebula]

yes ok i changed some stuff and used entity. its works bute its now spamming chat 2 time if send something

so what do i do now?

world.events.beforeChat.subscribe((eventData) => {
  const cmd = (eventData.message || "").trim();
  if (cmd.startsWith(".nick ")) {
    const newNick = cmd.split(" ")[1];
    const oldNick = eventData.sender.name;
    handleNickChange(eventData.sender, oldNick, newNick);
    eventData.cancel = true;
  } else {
    chatrank(eventData);
  }
});

function chatrank(data) {
  const allRanks = {
    0: '',
    1: '',
    2: '',
    3: '',
    4: '',
    10: '',
    20: '',
    30: '',
    40: '',
    50: '',
    60: ''
  };

  const rankScore = world.scoreboard.getObjective('Rank').getScore(data.sender.scoreboard);
  const rank = allRanks[rankScore];

  const nicks = getNicks(data.sender);
  const defaultNick = data.sender.name;
  const nickname = nicks.length > 0 ? nicks[0] : defaultNick;

  let text = `§》§l${rank} §7${nickname}: §f${data.message}`;
  world.sendMessage(text);
  data.cancel = true;
}

function handleNickChange(entity, oldNick, newNick) {
  entity.getTags().forEach((tag) => {
    if (tag.startsWith("nick:")) {
      entity.removeTag(tag);
    }
  });
  entity.addTag(`nick:${newNick}`);
  entity.sendMessage(`§》§l§aYour nick has been set to ${newNick}`);
}

function getNicks(sender) {
  const nick_prefix = "nick:";
  const default_nick = `${sender.name}`;

  const nicks = sender.getTags().map((tag) => {
    if (!tag.startsWith(nick_prefix)) return null;
    return tag.substring(nick_prefix.length);
  }).filter((tag) => tag);

  return nicks.length == 0 ? [default_nick] : nicks;
}

export { chatrank };```
.nick does work now thx but have other
2 problems now first its spamming chat 2 times if i send message and second i cant cancle the message if do .nick name

[lofty nebula]

ok i solve the spamm problem but how do i cancle like if i send .nick name in chat

eventData.cancel = true; // cancel the chat message
return;