how do i save a user session to to my database

  mysqli, php

I am creating an event ticketing application. I have created a form where users can create events by uploading the details or information about the events. how do I store the events created by the users to database with their session so that when a user logs in to his dashboard he can, he can get all details of all his events created on my application.
thanks for your answers

Source: Ask PHP