[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< const [IOnlineTournamentMatchDetails](API\Plugins\OnlineSubsystem\Interfaces\IOnlineTournamentMatchDetails) > GetMatchDetails ( const FUniqueNetIdRef UserId, const [FOnlineTournamentMatchIdRef](API\Plugins\OnlineSubsystem\Interfaces\FOnlineTournamentMatchIdRef) MatchId ) const