Regd:- Web Application user activity details !!

Question

Dear All,

 

I have one webe application for the user to extarct the data by login/logoff.

 

Now , I need to trace each and every user who when and what they extracted from application.

 

i had captured the details of user on their login/logoff but need to capture what filter they selected and which report they downloaded.

 

Please help here !!