Syntax
Parameters
handle   _In_Type: XblMultiplayerSessionHandle Handle to the multiplayer session. memberCustomConstantsJson   _In_opt_z_
Type: char* The custom constants to set for this member. This is the only time the member’s constants can be set. initializeRequested   _In_
Type: bool True if the system should perform managed initialization, and false otherwise. joinWithActiveStatus   _In_
Type: bool True if player should join with active status.
