The "doWebPaymentResponse" message is Payline's response to a web payment initialization request. You will find in this reply message the Internet address of the Payline payment web pages as well as the authentication token to use for your shopper.
The answer has the following structure:
Information on the result of the payment request:
More information Return code and Payline message
Time stamped token that identifies the merchant's web payment request
URL on which the shopper's browser must be redirected to make the payment.
Action class identifier to call for the URL character
ldentifier of the class method Action to call for the URL character
The mode of operation of the personalized url : POST or GET