1. On the first page, look for the “Account” section at the bottom left hand side. Click on “Settings”.
2. Click on “Response/Receipt URLs”, which is located in the “Transaction Format Settings” section.
3. Click on the “Add URL” link that is located in the Response/Receipt URL page.
4. You will then see a textbox where you can add your form’s unique URL. Navigate to the confirm page of the Smith Registration (the page with the process payment button) and cut and paste the URL from your browser window to the Authorize.Net response URL field.