where can i get Transform Manager job manifest file

i want to convert smooth streaming files to apple hls using .net sdk 

SmoothToHLSTask smtask = new SmoothToHLSTask();
            ILogger Ilogger = new Logger(outputFolder + @"\transmux.log", LogLevel.Verbose);
            IJobManifest jmanifest = new JobManifest();
            jmanifest.Initialize(filename);

 jmanifest.Initialize(filename);

filename mean which file ?