preview doesn't take any arguments.
preview
This field resolves to Seatmap, which has the following fields:
bookable
SeatmapBookable
bookables
[ SeatmapBookable! ]!
categories
[ SeatmapCategory! ]!
category
SeatmapCategory
id
ID!
layout
SeatmapLayout!
name
String!
numberOfAvailableSeats
Int!
numberOfSeats
seat
SeatmapSeat