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# PFMultiplayerThreadId

> Reference for the PFMultiplayerThreadId enum, identifying internal PlayFab Multiplayer library threads used for setting CPU affinity, such as networking.

Threads that Multiplayer library uses for internal purposes.

## Syntax

```cpp theme={null}
enum class PFMultiplayerThreadId  : uint32_t  
{  
    Networking = 0,  
}  
```

## Constants

| Constant   | Description                                                |
| ---------- | ---------------------------------------------------------- |
| Networking | Represents Multiplayer library internal networking threads |

## Requirements

**Header:** PFMultiplayer.h

## See also

[PFMultiplayer members](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pfmultiplayer/pfmultiplayer_members)\
[PFMultiplayerSetThreadAffinityMask](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pfmultiplayer/functions/pfmultiplayersetthreadaffinitymask)


## Related topics

- [PFMultiplayerSetThreadAffinityMask](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pfmultiplayer/functions/pfmultiplayersetthreadaffinitymask.md)
- [PFMultiplayer C/C++ API overview - PFMultiplayer.h](/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pfmultiplayer/pfmultiplayer_members.md)
- [PartyThreadId](/services/playfab/multiplayer/networking/reference/enums/partythreadid.md)
- [PartyXblThreadId](/services/playfab/multiplayer/networking/xblreference/enums/partyxblthreadid.md)
- [game_chat_thread_id](/reference/chat/gamechat2/enums/game_chat_thread_id.md)