datatable sajaxsource get output

1<script>
2$(document).ready(function() {
3    $('#example').dataTable( {
4        "bProcessing": true,
5        "bServerSide": true,
6        "sAjaxSource": "http://localhost/staff/jobs/my_jobs",
7        "fnServerData": function ( sSource, aoData, fnCallback ) {
8            $.ajax( {
9                "dataType": 'json', 
10                "type": "POST", 
11                "url": sSource, 
12                "data": aoData, 
13                "success": fnCallback
14            } );
15        }
16    } );
17} );
18</script>