In Management Console, go to the Design Panel.
Click on New to create a new Design Panel. Fill out basic details. Click on the bar as marked below, Customize button screen will pop up.
Here Give details for the caption (this will be the button used for a price check ).
Set Operation = Price Check and set other details.
Click on Apply changes.
Click OK.
Once this is saved, it will appear in Design Panel Search.
Now go to Layouts.
Select the Layout that you are using at POS.
Edit that layout and in the Button grid info section, browse ( click on ...) one of the available button panel ( e.g. button panel 4 ).
Design Panel Search screen will appear, select the design panel you just created.
Now Click on the POS Designer button at the bottom left of this Layout screen.
Your existing POS Screen layout will appear in designer mode and you will see a Customization button along with other standard buttons. Click on the Customization button.
A small Customization screen will pop up and in the hidden tab, you can see the new button panel that you created.
Just drag and drop that button on the POS layout where you want to place it.
-- Click on OK to save the changes.
-- Re-launch POS and you should be able to see the new customized button on your screen.
--Click on Price check button and enter the product code and press enter. You will see a prompt on screen as given in the screenshot given below.