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# PFLobbyMembershipLock

> PFLobbyMembershipLock enum values in the PlayFab Multiplayer C++ SDK describing whether a lobby is locked or unlocked to new members joining the session.

Values representing the state of the lobby's membership lock.

## Syntax

```cpp theme={null}
enum class PFLobbyMembershipLock  : uint32_t  
{  
    Unlocked = 0,  
    Locked = 1,  
}  
```

## Constants

| Constant | Description                                                                   |
| -------- | ----------------------------------------------------------------------------- |
| Unlocked | Lobby membership is unlocked. New members will not be prevented from joining. |
| Locked   | Lobby membership is locked. New members will be prevented from joining.       |

## Requirements

**Header:** PFLobby.h

## See also

[PFLobby members](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/pflobby_members)


## Related topics

- [PFLobbyGetMembershipLock](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/functions/pflobbygetmembershiplock.md)
- [PFMultiplayer C/C++ API overview - PFLobby.h](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/pflobby_members.md)
- [PFLobbySearchResult](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchresult.md)
- [PFLobbyDataUpdate](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbydataupdate.md)
- [Lobby.MembershipLock](/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/Lobby/MembershipLock.md)