How to pass parameter via URL?

[eluser]Sinclair[/eluser]
Hi,

I need to pass a parameter in the second segment of an URL in the index function of the controller.

My model function is this:

Code:

function getAnunZone($pzone) {
        $query = $this->db->query("select id, name from atw_anu where id_zone = '".$pzone."' ", $this->uri->segment(2));
        return $query->result();
    }

This is not working. What I'am doing wrong?

Best Regards.