New product with custom fields but not added different price to shopping cart

[nicknickop]

I create custom field "Dimension" for different dimension of products Cart Variant type.

I have insert different price to any dimension of product but when check this product with different dimension(which have different price) to add to cart the price is the product general price and not with the different dimension price..

How to do this?? Thanks for help..

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[nicknickop]

You can see and this image...

To shopping is the general price of product "206 Euro" and not the different from with dimension of account

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