Apple XCode Developer to Help Extend Current Project (Logging Tablet Events) -- 2

Currently, Wacom has provided the Xcode for Tablet Mapping, which has tablet events. Right now, I need to extend this xcode project further to include the function to log with timestamp of all these events with a CSV file in the local directory. I need to log/track/record the tablet events (pressure, coordinates, and tilt coordinates of the stylus/tablet) from Wacom. Wacom developers have given me XCode project file Tablet Mapping, which has all the Tablet Events, and works when I use the Wacom tablet. I will now need this code to be extended, such that, when I run this application on my Mac, it will record the data from the tablet/stylus (pressure, coordinates, tilt coordinates in global environment) in real-time (with time stamp), and save this data into a CSV. When I press run, it will start recording, and when I press stop, it will stop recording, and save all the data of tablet events with time stamp into a CSV file in the local drive. I have provided the XCode project file in the zip, and all the other documentations from both Wacom and Apple. - NDA needed and IP belongs to client