I have set up a shipping calculator on my website (using javascript) based on the country selected by the customer (e.g. 5 USD to ship to UK, 8 USD to US etc). The total cost is calculated based on this selection and is then sent to PayPal where the customer is able to complete the payment and also enter their full shipping address. How do I stop the customer changing their shipping country once they are in PayPal?
I know you can pass a full shipping address from your website, but I want to only pass the country. Is there a way to update the shipping cost once the customer enters their address in PayPal, do the calculations within PayPal (when using the SDK), or alternatively preventing the user changing the shipping country within PayPal?
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