| Name | Type | Description | Notes |
|---|---|---|---|
| cart | Cart | [optional] | |
| error_parameter_name | String | If any error happen during the processing on the UltraCart side, the browser will be redirected to your error_return_url with the error passed in this parameter name. | [optional] |
| error_return_url | String | The URL to return the browser to if there are processing errors on the UltraCart side. | [optional] |
| operation | String | The type of handoff operation to perform | [optional] |
| paypal_maximum_upsell_revenue | Float | The maximum amount of revenue that you think the customer could add during a custom upsell after sequence on your checkout. | [optional] |
| paypal_return_url | String | The URl to return the customers browser to after they have completed the PayPal process. | [optional] |
| secure_host_name | String | The desired secure host name to perform the handoff on. This should match the desired StoreFront. | [optional] |
| ucacid | String | The UltraCart Analytics cookie value. Populate this if you're handing off from a different domain than the checkout. | [optional] |