> ## 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.

# XblMultiplayerJoinability

> XblMultiplayerJoinability

Defines values used to indicate who can join your lobby.

## Syntax

```cpp theme={null}
enum class XblMultiplayerJoinability  : uint32_t  
{  
    None,  
    JoinableByFriends,  
    InviteOnly,  
    DisableWhileGameInProgress,  
    Closed  
}  
```

## Constants

| Constant | Description |
| - | - |
| None | Joinability not set or no lobby exists yet. |
| JoinableByFriends | Default value. The lobby is joinable by users who are followed by an existing member of the session. |
| InviteOnly | The lobby is joinable only via an invite. |
| DisableWhileGameInProgress | This option will close the lobby only when a game is in progress. All other times, it will keep the lobby open for InviteOnly so invitees can join when no game is in progress. |
| Closed | This option will close the lobby immediately. |

## Requirements

**Header:** multiplayer\_manager\_c.h

## See also

[multiplayer\_manager\_c](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/multiplayer_manager_c_members.md)


## Related topics

- [XblMultiplayerManagerJoinability](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagerjoinability.md)
- [XblMultiplayerManagerSetJoinability](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagersetjoinability.md)
- [XblMultiplayerSessionChangeTypes](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_c/enums/xblmultiplayersessionchangetypes.md)
- [multiplayer_manager_c (contents)](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/multiplayer_manager_c_members.md)
- [XblMultiplayerEventType](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/enums/xblmultiplayereventtype.md)