IT Ticket Help Desk

Hi I’m new to ERPNext, still I’m evaluating the ERPNext. I would like to add one more module in IT Ticketing system. How can i develop and integrate.

Do i need to expertise in python to develop the app or i can customize it from UI… Where can i find complete app development documentation.

@sureshmendu find below link it will let you go through how to develop an app using frappe f/w