When we add menu items to an order, they appear as a list in the PoS UI:

Here we can see:

- Green lines - means that the lines are not sent to kitchen/bar printer or monitor, they are "unordered".

- Grey lines - means that the lines are sent to kitchen/bar printer or monitor, they are "ordered" and are being prepared to be served.

fel1 / fel2 / fel3 - product courses that display the sequence in which menu items should be served.

Use Main PoS widget to modify order list and to perform some actions:

Qty - change quantity of the order line.

Disc - add discount per line

Price - change price

Delete - delete line

Customer - set customer for the order. Clicking on this button will show the list of existing customers (Contacts created in the Contact app). Here we need to find a respective name and click on it.

Payment - transfers us to the payment screen.

Menu Items in PoS

If we look at menu items inside of the PoS Order waiter UI, we can see them as buttons. 

There are 2 ways to display menu items. Simple view (just text):

The name of the item is taken from the "Internal Reference" field in the Product Template.

Full view of the menu (with picture, price, info button) looks like this:

To configure whether to show full view of the menu items or Simple view can be configured in the PoS Session settings > PoS User Interface Section.

PoS Product Categories in PoS Order

At the top of the screen we can see PoS Product Categories. They serve for easy navigation through menu.

PoS Product Categories can be displayed as bread cramps:

Or in pictures:

To configure whether to show full view of the menu items or Simple view can be configured in the PoS Session settings > PoS User Interface Section.