DataTables server-side processing Add optional columns

pvs5011

I am working with DataTables server-side processing
http://datatables.net/release-datatables/examples/data_sources/server_side.html

How can I add one column at the end like this picture is not?
http://i.imgur.com/0Vq6uje.jpg
Not used Editor.

Please help me.
I thank you very much for your enthusiastic help.