Index - Web APIs
this option is only present when the requestpayerphone option is set to true in the paymentoptions object passed to the paymentrequest constructor.
...this option is only present when the requestpayeremail option is set to true in the paymentoptions object passed to the paymentrequest constructor.
...this option is only present when the requestshipping option is set to true in the paymentoptions object passed to the paymentrequest constructor.

PaymentRequest.shippingAddress - Web APIs
you can trigger this by setting paymentoptions.requestshipping to true when calling the paymentrequest constructor.

PaymentResponse.payerEmail - Web APIs
this option is only present when the requestpayeremail option is set to true in the paymentoptions object passed to the paymentrequest constructor.

PayerResponse.payerPhone - Web APIs
this option is only present when the requestpayerphone option is set to true in the paymentoptions object passed to the paymentrequest constructor.

PaymentResponse.shippingAddress - Web APIs
you can trigger this by setting paymentoptions.requestshipping to true when calling the paymentrequest constructor.

PaymentResponse.shippingOption - Web APIs
this option is only present when the requestshipping option is set to true in the paymentoptions object passed to the paymentrequest constructor.