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# Lobby.LobbyMemberCountSearchKey

> Lobby.LobbyMemberCountSearchKey

# LobbyConstants.LobbyMemberCountSearchKey field

A special, predefined search key, which can be used in the [`FilterString`](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbySearchConfiguration/FilterString) filtering and sorting strings to search for lobbies based on the current number of members in the lobby.

```csharp theme={null}
public static readonly string LobbyMemberCountSearchKey;
```

## Remarks

Example: "lobby/memberCount lt 5"

## See Also

* class [LobbyConstants](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyConstants/overview)
* namespace [PlayFab.Multiplayer](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference)


## Related topics

- [PFLobby Search Keys](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/constants/pflobbysearchkeys.md)
- [LobbyConstants.LobbyAmMemberSearchKey](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyConstants/LobbyAmMemberSearchKey.md)
- [PFLobbyGetSearchPropertyKeys](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/functions/pflobbygetsearchpropertykeys.md)
- [LobbySearchResult.CurrentMemberCount](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbySearchResult/CurrentMemberCount.md)
- [LobbySearchResult.MaxMemberCount](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbySearchResult/MaxMemberCount.md)