> For the complete documentation index, see [llms.txt](https://zumo.fusion.ac/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zumo.fusion.ac/api-reference/zumo-published-events/lifetime-lb-change.md).

# lifetimeLbChange

Published by Zumo (`botId: "zumo"`). Category: `lifetimeLeaderboard`.

Lifetime leaderboard change (one event per player per update).

```ts
{
  botId: 'zumo';
  mode: 'duels';
  category: 'lifetimeLeaderboard';
  timestamp: number;
  uuid?: string;
  username: string;
  boardId: string;
  boardLabel: string;
  position: number;
  rank: string;
  fields: { field: string; oldVal: number; newVal: number }[];
}
```