call filter in Symfony with parameter

Is possible call filter in Symfony in backend (admin generator) with parameters? In address URL is null. In session are parameters, but how开发者_运维问答 can i this use for calling? For example

http://www.myaddress.com/backend.php/users/filter?age=18

You need to read the manual - especially the links and routing chapter - this will help you determine how you create / manage urls for accessing data in your application :

http://www.symfony-project.org/gentle-introduction/1_4/en/09-Links-and-the-Routing-System