Starting from version 4.9.530 of r_k Waiter, support for handling recommended menu items has been implemented.
The Waiter will be able to recommend menu items to guests based on previously ordered items, thereby encouraging upselling.
In the directory Settings > Parameters, enable the Self-Service/Web Orders parameter.
If recommended items are set for a menu item in the management system, a button
Upon clicking this button, a window will open displaying the list of recommended menu items.
Select the desired items, and they will be added to the order.