Version: 2021.3
  • C#


class in UnityEngine


Implemented in:UnityEngine.CoreModule

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Obsolete The legacy networking system has been removed in Unity 2018.2. Use Unity Multiplayer and NetworkIdentity instead.


The Master Server is used to make matchmaking between servers and clients easy.

You can advertise game hosts or fetch host lists for you game type. The functions here are used to communicate with the Master Server itself which resides on a separate server. If necessary the server itself can be customized. For an overview of the Master Server as well as a technical description see the Master Server manual page.


OnFailedToConnectToMasterServerCalled on clients or servers when there is a problem connecting to the master server.
OnMasterServerEventCalled on clients or servers when reporting events from the MasterServer.