PlayFabMultiplayer.PlayFabMultiplayerServer.JoinLobbyAsServer

PlayFabMultiplayer.PlayFabMultiplayerServer.JoinLobbyAsServer method (1 of 2)

Join a client-owned lobby as a server.

public static Lobby JoinLobbyAsServer(PFEntityKey server, string connectionString, 
    LobbyServerJoinConfiguration configuration)

parameter	description
server	The PlayFab Entity Key of the server joining the lobby. Its entity type must be “game_server.”
connectionString	The connection string used by the server to join the lobby.
configuration	The initial server-owned data to be stored when joining the lobby.

Return Value (1 of 2)

Output lobby object, which can be used to queue operations for immediate execution of this operation completes.

Remarks (1 of 2)

JoinLobbyAsServer() is an asynchronous operation. Completion of this method’s execution isn’t necessarily completion of the operation. Upon successful completion, the title is provided a LobbyUpdatedStateChange with the LobbyUpdatedStateChange.serverUpdate member appropriately populated, and a OnJoinLobbyAsServerCompleted with the OnJoinLobbyAsServerCompleted.result field set to Success. Upon a failed completion, the title is provided a OnJoinLobbyAsServerCompleted with the OnJoinLobbyAsServerCompleted.result field set to a failed error code. JoinLobbyAsServer() operation is restricted to client-owned lobbies that are using connections.

PlayFabMultiplayer.PlayFabMultiplayerServer.JoinLobbyAsServer method (2 of 2)

Join a client-owned lobby as a server.

public static Lobby JoinLobbyAsServer(PlayFabAuthenticationContext server, string connectionString, 
    LobbyServerJoinConfiguration configuration)

parameter	description
server	The PlayFab Entity Key of the server joining the lobby. Its entity type must be “game_server.”
connectionString	The connection string used by the server to join the lobby.
configuration	The initial server-owned data to be stored when joining the lobby.

Return Value (2 of 2)

Output lobby object, which can be used to queue operations for immediate execution of this operation completes.

Remarks (2 of 2)

JoinLobbyAsServer() is an asynchronous operation. Completion of this method’s execution isn’t necessarily completion of the operation. Upon successful completion, the title is provided a LobbyUpdatedStateChange with the LobbyUpdatedStateChange.serverUpdate member appropriately populated, and a OnJoinLobbyAsServerCompleted with the OnJoinLobbyAsServerCompleted.result field set to Success. Upon a failed completion, the title is provided a OnJoinLobbyAsServerCompleted with the OnJoinLobbyAsServerCompleted.result field set to a failed error code. This operation is restricted to client-owned lobbies that are using connections.

See Also

Last modified on August 3, 2026

Related topics

PlayFabMultiplayerServer class PlayFabMultiplayerServer.OnJoinLobbyAsServerCompleted event PlayFabMultiplayerServer.OnServerLobbyLeaveAsServerCompleted PlayFabMultiplayerServer.OnServerLobbyClaimCompleted PlayFabMultiplayerServer.OnServerLobbyDeleteCompleted

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