> For the complete documentation index, see [llms.txt](https://docs.streamavatars.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.streamavatars.com/lua-scripting-api/api-reference-and-tips/events/boss-battle-player-joined.md).

# Boss Battle Player Joined

```lua
function yourEvent(user, class_name)
   
    log('boss player: ' .. user.displayName .. ' has joined as ' .. class_name);
end

return function()
    addEvent('bossBattlePlayerJoined', 'yourEvent');
    keepAlive();
end
```

{% hint style="info" %}
Events are asynchronous coroutines.
{% endhint %}