Please download the zip package from this url
[url removed, login to view]
View [url removed, login to view] found in the package for what you need to do to fulfill this particular use case.
In your bid you will need to indicate which particular files you will be modifying to fulfill the requirements of this particular use case.
The deliverables will be all the files you have indicated for modifications. Your codes will need to be well commented according to the below convention
//programmer name, date - what this function does