title: 2checkout custom plugin not working with woocommerce
body: <p>i have added a new WooCommerce Custom Payment Gateway plugin, this plugin show me the 2checkout features in woocommerce setting page like this </p>
  
  <p>![enter image description here][1]</p>
  
  <p>but how can I send my product value in 2co site when user check the 2checkout option and click the place order button then what action perform in front of site </p>
  
  <p>Ive attached an image of my woocommerce custom payment gateway plugin, file name is class-wc-custom_payment_gateway_1 so in this file i have use the below code</p>
  
  <pre><code>&lt;form action='https://www.2checkout.com/checkout/purchase' method='post'&gt;
  &lt;input type='hidden' name='sid' value='5456777' &gt;
  &lt;input type='hidden' name='product_id' value='10' &gt;
  &lt;input type='hidden' name='quantity' value='1' &gt;
  &lt;input name='submit' type='submit' value='Add to Cart' &gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>how can i get get form value in this form which i have set in payment gateway 2checkout page
  and how to redirect form value on click the place order button on site </p>
  
  <p>this is my product detail and i sent the product detail on click the place order button </p>
  
  <p>Thank you for your reply</p>