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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.

Members

entityType   string The type of the entity to add to the session. Currently we only accept title_player_account. Example: title_player_account entityId   string The ID of the entity to add to the session. Example: 6C6B908A2B5B9A4 traceParent   string A valid W3C TraceContext TraceParent Header. Example: 00-84678fd69ae13e41fce1333289bcf482-22d157fb94ea4827-01

See also

Last modified on August 4, 2026