Newbie question PIC32 and w5500 module UDP

Dear folks, this is my first topic in this forum. First of all hi from istanbul to all.
I would like to create a project dedicated to W5500 USR-ES1 module and PIC32 Micro.
My project basicly do a loopback test over UDP protocol.
Could you please let me know where shoud i start to establish full UDP.
Any comment, link, example or application appriciated.