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Re: [w3c/payment-handler] Why does a Payment App need to see the line items? (#91)

From: Rouslan Solomakhin <notifications@github.com>
Date: Thu, 02 May 2019 11:11:45 -0700
To: w3c/payment-handler <payment-handler@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <w3c/payment-handler/issues/91/488775232@github.com>
Yes, Ian, specializations of PaymentItem would give merchants the power to
explicitly opt-in to passing some display items to the payment apps, if
they so desire. Our specs and docs would need to be very explicit that
specialized PaymenItems go to the payment app.

--Rouslan

On Thu, May 2, 2019 at 2:07 PM ianbjacobs <notifications@github.com> wrote:

> Hi @rsolomakhin <https://github.com/rsolomakhin>,
>
> Do you think it would help achieve this goal if we were to give merchants
> specializations of PaymentItem [1]. Maybe this has already been suggested;
> I don't recall. What if we offered specializations for sub-total, tax, and
> shipping. This would allow the browser to pass through those
> specializations, but not instance of the parent class.
>
> Ian
>
> [1] https://w3c.github.io/payment-request/#dom-paymentitem

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