The app has an option to add a comment to the order. A comment is any text information that is sent to the cash register and displayed on the order button.

To add comment:

1. Choose Comment on the order from the list of operations.
   
   
2. Enter your comment in the pop-up window and tap Save.
   
   To edit a comment, open the comment window the same way, make the necessary changes, and save them.

The comment on the order will be displayed at the cash register in the Selecting an order for editing mode.