= Transfer to Custom Gateway =
The post data is sent to the custom gateway with a POST method as if it came from a normal HTML form being submittedon a web page.
Both the URL and POST fields can contain template variables to include values from the booking.
If the POST fields are empty, a GET request is made to the specified URL.
A special template variable [PAYMENTAMOUNT] will contain the value of the deposit when booking and the value of the payment request when used for payment requests.