i have developed a online web store for my client and he has a query that the client (product buyer) should not be able to proceed to check out until he buys minimum 2 kilo product

  • Can you give a little more info? Do you need 2Kg total weight in the card? Do you need to set a minimum sales amount for one specific item? It's not quite clear from your question. Commented Aug 1, 2014 at 9:27

1 Answer 1


You can add your weight validation using the event catalog_product_type_prepare_full_options as described in this answer:

How to allow only one product in a cart?

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