Use the assignProductGroup method to assign a product to a product group. Following the assignation, the 2Checkout system uses the shopping cart template associated with the product group as the default cart design when shoppers purchase a subscription plan/product.
Session identifier, the output of the Login method. Include sessionID into all your requests. 2Checkout throws an exception if the values are incorrect. The sessionID expires in 10 minutes.
The code of the product you wish assigned to the group.
Unique, system-generated identifier assigned to product groups.