How to work with datatables in an ajax server mode ?

liranf

Hi,
I have data records containing a lot of rows (hundreds of thousands...) so I am trying to implement dataTables using with an ajax call to bring only a few on each call.
I don't seem to find a documentation regarding the query params that I can access in the server Request.
for example: which column is the sorted one ? what is the requested page ? etc...