Items ordered in Rialto can be marked for rush order.
After adding an item to your cart, select "Rush" in the item's Shelf-Ready section before checking out. Note: Not all items will have this option.

If the item is needed for a specific user, you can indicate that in the same location.
After adding an item to your cart, select "Add interested user" before checking out. You'll be able to search for users and chose as many as necessary.

After choosing the interest user(s), notification settings can be adjusted by clicking the bell icon next to their name(s). The "Notify when received" option will be automatically chosen for selected interested users.
