How to record character trajectory information?

// At the end of the file
function StartRecordingPlayerPos()
{
   // Start recording the player's position
   $RecordingPlayer = true;
   commandToServer('StartRecordingPlayer');

   // every 2000 ms, try to record player's position
   schedule(2000, 0, Record);
}

function Record()
{
   // Call the server command (which is where the real functionality is)
   commandToServer('RecordPosition');

   // Repeat function in 2000 ms
   $RecordingThread = schedule(2000, 0, Record);
}


function StopRecordingPlayerPos()
{
   // If the schedule exists to record the position again
   // cancel it.
   if(isEventPending($RecordedLocation))
      cancel($RecordingThread);

   // Stop recording
   $RecordingPlayer = false;
   commandToServer('StopRecordingPlayer');
}

function SaveRecordedInfo()
{
   // Save the positions to text file
   commandToServer('SaveRecord');
}

// At the end of the file
function serverCmdStartRecordingPlayer(%client)
{
   if(isObject(%client.player))
   {
      $RecordedLocation[0] = getWords(%client.player.getTransform(), 0, 2);
      $CurrentRecordIndex = 0;
      commandToServer('RecordPlayerPosition', %client);
   }
}

function serverCmdRecordPosition(%client)
{
   %newLocation = getWords(%client.player.getTransform(), 0, 2);
   if($RecordedLocation[$CurrentRecordIndex] $= %newLocation)
   {
      echo("Doing nothing");
      
   }
   else
   {
      $CurrentRecordIndex++;
      $RecordedLocation[$CurrentRecordIndex] = %newLocation;
      echo($RecordedLocation); 
   }
}

function serverCmdSaveRecord(%client)
{
   %writer = new FileObject(MyWriter);
   
   MyWriter.openForWrite("starter.fps/data/recordedInformation.txt");
   for(%i = 0; %i < $CurrentRecordIndex; %i++)
   {
      MyWriter.writeLine($RecordedLocation[%i]);
   }
   
   MyWriter.close();
}

9.37999 -187.943 100.01
15.0894 -192.744 100.011
28.3351 -216.705 100.011
41.2345 -242.699 100.027
44.9045 -268.897 100.027
28.7253 -290.931 100.027
7.26736 -309.53 100.027