[EOnlineCachedResult::Type](API\Plugins\OnlineSubsystem\EOnlineCachedResult__Type) GetCachedAchievements ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & PlayerId, [TArray](API\Runtime\Core\Containers\TArray)< [FOnlineAchievement](API\Plugins\OnlineSubsystem\Interfaces\FOnlineAchievement) > & OutAchievements )