Projects:Editable Price in WebPOS/User Guide
Make the follwing configuration in ERP to allow the editable price in WebPOS
Preferences
Active the preference: Web POS action Change price
Product properties
By default all product are configured to edit price. Select the products where you want disable price edition and unmark Editable Price
Web POS
In Web POS when you select a receipt line in order key pad is enabled/disabled button PRICE depend on preference and Editable Price product property