Session
    
    setMessage()
setMessage()
Sets the content of the hidden label inside the iFrame. Content of the label will be used by assistive technology applications and devices.
This function supports the Multiple Hosted Session functionality.
Usage
PaymentSession.setMessage(HostedFieldRole, message, scope)
Example
PaymentSession.setMessage('card.number', 'Invalid card number, please check your card number');
Arguments
        HostedFieldRole
        
        String
        REQUIRED
    
    
            The field role for the card field rendered in an iFrame and hosted on the Mastercard Gateway. Valid
            field
            roles:
        
        card.nameOnCard
            card.number
            card.expiryMonth
            card.expiryYear
            card.securityCode
            giftCard.number
            giftCard.pin
            ach.bankAccountNumber
            ach.bankAccountNumberConfirmation
            ach.bankAccountHolder
            ach.routingNumber
            
        message
        
        String
        
    The message to be sent to hosted field and used as a hidden label.
        scope
        
        String
        
    The optional named instance of a card payment data set within a session. See Multiple Hosted Sessions for more information.
Return Value
None