You need to handle those parameters so they have a meaning.
You can do this by using Get Command Line Parameters function from Appendix B: Useful Functions part of the documentation.
To get just one part of the string returned by the function, I recommend you to use WordFind from Archive or ${StrTok} from StrFunc.nsh.
To create a shortcut with that information (I think you already know), you can use CreateShortCut to do the job.