> ## 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.

# PFLobby Search Keys

> Reference for the predefined PFLobby search keys used by the PlayFab Multiplayer C++ SDK when querying lobbies through matchmaking and lobby search APIs.

Values representing the lobby's predefined search keys.

## Syntax

```cpp theme={null}
constexpr char PFLobbyMemberCountSearchKey[] = "lobby/memberCount";
constexpr char PFLobbyMemberCountRemainingSearchKey[] = "lobby/memberCountRemaining"
constexpr char PFLobbyAmMemberSearchKey[] = "lobby/amMember";
constexpr char PFLobbyAmOwnerSearchKey[] = "lobby/amOwner";
constexpr char PFLobbyMembershipLockSearchKey[] = "lobby/membershipLock";
constexpr char PFLobbyAmServerSearchKey[] = "lobby/amServer"
```

## Constants

| Constant | Description | Example |
| - | - | - |
| PFLobbyMemberCountSearchKey | A special, predefined search key that can be used in the [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md) filtering and sorting strings to search for lobbies based on the current number of members in the lobby. | "lobby/memberCount lt 5" |
| PFLobbyMemberCountRemainingSearchKey | A special, predefined search key that can be used in the [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md) filtering and sorting strings to search for lobbies based on the number of remaining members who can join the lobby. | "lobby/memberCountRemaining gt 0" |
| PFLobbyAmMemberSearchKey | A special, predefined search key that can be used in the [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md) filtering string to search for lobbies that you are currently a member of. | "lobby/amMember eq true" |
| PFLobbyAmOwnerSearchKey | A special, predefined search key that can be used in the [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md) filtering string to search for lobbies that you own. | "lobby/amOwner eq true" |
| PFLobbyMembershipLockSearchKey | A special, predefined search key that can be used in the [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md) filtering string to search for lobbies with a specific lock state. | "lobby/membershipLock eq 'Unlocked'" |
| PFLobbyAmServerSearchKey | A special, predefined search key that can be used in the [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md) filtering string to search for lobbies that the server has joined but does not own. | "lobby/amServer eq true" |

## Requirements

**Header:** PFLobby.h

## See also

[PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md)


## Related topics

- [PFLobbyGetSearchPropertyKeys](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/functions/pflobbygetsearchpropertykeys.md)
- [Lobby.LobbyMemberCountSearchKey](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyConstants/LobbyMemberCountSearchKey.md)
- [LobbyConstants.LobbyAmMemberSearchKey](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyConstants/LobbyAmMemberSearchKey.md)
- [LobbyConstants.LobbyAmOwnerSearchKey](https://docs.xbox.com/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/LobbyConstants/LobbyAmOwnerSearchKey.md)
- [PFLobbySearchConfiguration](https://docs.xbox.com/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pflobby/structs/pflobbysearchconfiguration.md)