Where can I see when a customer makes changes to their preorder? Linh Lam Updated December 14, 2016 00:15 Follow You can see when a customer makes a change to their preorder in the Grubhub for Restaurants platform, similar to the image below. Related articles How do customers preorder? How far in advance can customers schedule orders? When can customers no longer make adjustments to their preorder? When are customers placing preorders? Will I receive a 1099-K for my restaurant(s)? Comments 0 comments Article is closed for comments.