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The REST and SignalR APIs documented here are more complex than the client SDKs. Consider using the Lobby C++ SDK or Matchmaking C++ SDK instead, unless those SDKs don’t meet your needs.
For scenarios where multiple entities are signed in to the same device. Add an additional entity to the session, other than the entity that started the session. This will allow the client to receive messages for multiple local entities on a shared session.
This is a SignalR server method. See documentation on calling server methods from a SignalR client.

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Parameters

SharedSessionRequest

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Return value

SharedSessionResponse

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See also

Last modified on August 4, 2026