Authorization in web dynpro

Hi experts,

I need to provide authorization facility to my web dynpro application. My application is online ticket tracking system where one can create ticket, modify ticket and close the tickets.

Query?

But i need to provide the facility of modify, create and deleting the ticket only to specific users and for the rest of the users the application should be in display mode only. So what i s the approach i should follow in solving this issue.