new job advice events

hi guys i hope someone can help, i applied for a part time receptionist job and somehow come out with a job as a event organise/manager.
im completely out my depth as in charge of everything, booking events, meetings, engine and business insurance, equipment, marketing, charity side of it litrally everything, but its an amazing opportunity to be given.
id love any advice anyone has regards to anything as so far ive been staring at the comp blankly lol
thankyou


Amanda