Not able to add copy, print button in the table

visvak

Hello,

I am not able to add the copy,print button. my code is below
$('#sample').dataTable({
'paging': true, // Table pagination
'ordering': true, // Column ordering
'info': true, // Bottom left status text
// Text translation options
// Note the required keywords between underscores (e.g MENU)

        oLanguage: {
           // sSearch: 'Search all columns:',
            sLengthMenu: '_MENU_ records per page',
            info: 'Showing page _PAGE_ of _PAGES_',
            zeroRecords: 'Nothing found - sorry',
            infoEmpty: 'No records available',
            infoFiltered: '(filtered from _MAX_ total records)',
            dom: 'T<"clear">lfrtip',
            tableTools: {
                "sSwfPath": "/swf/copy_csv_xls_pdf.swf"
            }
        },

    });

Please correct it i have done any mistake