> For the complete documentation index, see [llms.txt](https://neonn-development.gitbook.io/lobbysystem-3/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://neonn-development.gitbook.io/lobbysystem-3/faq/developer-api/usage.md).

# Usage

<table><thead><tr><th width="289">Usage</th><th width="231">Description</th><th>Data type</th></tr></thead><tbody><tr><td>LobbySystem3API.hasActivePet(player);</td><td>Query if the player has an active pet.</td><td>boolean</td></tr><tr><td>LobbySystem3API.hasActiveMount(player);</td><td>Query if the player has an active mount.</td><td>boolean</td></tr><tr><td>LobbySystem3API.hasActiveEffect(player);</td><td>Query if the player has an active effect.</td><td>boolean</td></tr><tr><td>LobbySystem3API.inBuildMode(player);</td><td>Query if the player is in build mode.</td><td>boolean</td></tr><tr><td>LobbySystem3API.getLobbyName(player);</td><td>Returns the lobby name of the player.</td><td>String</td></tr><tr><td>LobbySystem3API.getPlayersInLobby(player);</td><td>Returns how many players are in the player's lobby.</td><td>Integer</td></tr><tr><td>LobbySystem3API.getPlayersInAllLobbies(player);</td><td>Returns how many players are in all lobbies.</td><td>Integer</td></tr><tr><td>LobbySystem3API.getHiderMode(player);</td><td>Query which mode the player's hider has.</td><td>String</td></tr><tr><td>LobbySystem3API.hasCooldown(player);</td><td>Query if the player currently has an active cooldown.</td><td>boolean</td></tr><tr><td>LobbySystem3API.hasActiveHolidayEvent();</td><td>Query if a holiday event is active.</td><td>boolean</td></tr><tr><td>LobbySystem3API.isHolidayEventActive("snow");</td><td>Query if a specific holiday event is active.</td><td>boolean</td></tr></tbody></table>