Steve has got it right, despite his 'not much of an SSIS guy' disclaimer 🙂
Use a FOREACH loop to process the file, even though you know that there will be only one zip file present. Why? Because the FEL does the work of mapping the exact file name to a variable of your choosing (which also means that you can make your unzip command more refined).
If you haven't even tried to resolve your issue, please don't expect the hard-working volunteers here to waste their time providing links to answers which you could easily have found yourself.