In order to add a weight product you must follow the next steps:

1. Go to your BackOffice > Configuration > You modules > Order taking settings and activate the module "Weighing station".

2. Now, inside the BackOffice, select > Products > Products. Select a product and activate the option "Product by Weight", select the unit of measure > Edit. Be aware that for now on the price of the product will be calculated depending on the unit of measure. 

3. Come back to the App and press the refresh button, placed on the top right. 

4. Now whenever you take an order and you select a product by weight, a pop up will be displayed asking you the weight of the product, introduced in the calculator the total weight and the price by weight will be calculated automatically > Validate.