<input type="hidden" name="checkout-flow-support.merchant-checkout-flow-support.parameterized-urls.parameterized-url-1.url" value="http://www.example.com/cgi-bin/clickme2.cgi"/>
<input type="hidden" name="checkout-flow-support.merchant-checkout-flow-support.parameterized-urls.parameterized-url-1.parameters.url-parameter-1.name" value="id"/>
<input type="hidden" name="checkout-flow-support.merchant-checkout-flow-support.parameterized-urls.parameterized-url-1.parameters.url-parameter-1.type" value="order-id"/>
<input type="hidden" name="checkout-flow-support.merchant-checkout-flow-support.parameterized-urls.parameterized-url-1.parameters.url-parameter-2.name" value="amount"/>
<input type="hidden" name="checkout-flow-support.merchant-checkout-flow-support.parameterized-urls.parameterized-url-1.parameters.url-parameter-2.type" value="order-subtotal"/>