Sets the styling for the hosted field to the supplied styling attributes when focus on the hosted field in the iFrame is gained.
This function supports the Multiple Hosted Session functionality.
PaymentSession.setFocusStyle([<HostedFieldsRole>], styles, [scope])
PaymentSession.setFocusStyle(["card.number","card.securityCode"], { borderColor: 'red', borderWidth: '3px' });
An array of field roles for the hosted card fields, to be styled when the focus is gained. Valid array of field roles: ['card.number','card.securityCode', 'giftCard.number', 'giftCard.pin', 'ach.bankAccountNumber', 'ach.bankAccountHolder', 'ach.routingNumber']
An object containing JavaScript CSS properties.
The optional named instance of a card payment data set within a session. See Multiple Hosted Sessions for more information.
None