Ajax Framework (CJAX) for Codeigniter 2.x+

[eluser]somenet[/eluser]
Please can u demostrate complete configuration cjax and codeigniter with example.I can configure cjax with your docs guide but i can't get any respose while creating controller
inside application/controller/filename.
<?php

class controller_test extends CI_Controller {

function test()
{

$test_array = array(
1 => 'test1',
2 => 'test2',
3 => 'test3'
);

return $test_array;
}
}

?>
Thanks for sharing framework.