> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# LobbyDataUpdate.MaxMemberCount

> LobbyDataUpdate.MaxMemberCount

An optional, updated capacity for the number of members in this lobby.

```csharp theme={null}
public uint? MaxMemberCount { get; set; }
```

## Remarks

This new value must be greater than the number of members currently in the lobby and less than `LobbyMaxMemberCountUpperLimit`.

This value can only be updated by the current lobby owner.

## See Also

* class [LobbyDataUpdate](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyDataUpdate/overview.md)
* namespace [PlayFab.Multiplayer](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference.md)


## Related topics

- [Lobby.MaxMemberCount](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/Lobby/MaxMemberCount.md)
- [LobbyCreateConfiguration.MaxMemberCount](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyCreateConfiguration/MaxMemberCount.md)
- [LobbySearchResult.MaxMemberCount](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbySearchResult/MaxMemberCount.md)
- [LobbyArrangedJoinConfiguration.MaxMemberCount](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyArrangedJoinConfiguration/MaxMemberCount.md)
- [Real-time messages for Lobby and Matchmaking APIs](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyDataUpdate/overview.md)