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# XblMultiplayerManagerGameSessionMembersCount

> XblMultiplayerManagerGameSessionMembersCount

Retrieves the number of members in the game session.

## Syntax

```cpp theme={null}
size_t XblMultiplayerManagerGameSessionMembersCount(  
)  
```

### Parameters

### Return value

Type: size\_t

The number of members that are in the game session.

## Remarks

When a friend accepts a game invite, the corresponding member is added to the lobby and the game session members list.

## Requirements

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

**Library:** Microsoft.Xbox.Services.142.C.lib or Microsoft.Xbox.Services.143.C.lib

## See also

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


## Related topics

- [XblMultiplayerManagerLobbySessionMembersCount](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagerlobbysessionmemberscount.md)
- [XblMultiplayerManagerGameSessionMembers](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagergamesessionmembers.md)
- [multiplayer_manager_c (contents)](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/multiplayer_manager_c_members.md)
- [XblMultiplayerManagerLobbySessionMembers](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagerlobbysessionmembers.md)
- [XblMultiplayerManagerLobbySessionLocalMembersCount](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagerlobbysessionlocalmemberscount.md)