Whats The Job Called I Wanted To Know Whats A Job Where You Organize Big Events, Parties, Etc. What Is This Job Called?

I wanted to know whats a job where you organize big events, parties, etc. What is this job called? - whats the job called

I know it's a job where you events, parties, etc., can call and arrange for a meal, which says most of the designers, and everyone does it take to make a big event. What is called the task?