anchor.diff:  
   === Products
   
  -image:https://github.com/killbill/killbill-docs/raw/v3/userguide/assets/img/catalog/catalog_product.png[width=960,align="center"]
  +image:https://github.com/killbill/killbill-docs/raw/v3/userguide/assets/img/catalog/catalog_product.png[width=250,align="center"]
   
   The Product is a representation of the thing the customer is actually buying. Specifying a Product is very straightforward. The product is described by the following parameters:
   
  
positive.code: 
  This rule also uses the Creation Context and determines how the phases of an Add-On plan align with an existing subscription.
  
  image:ttps://github.com/killbill/killbill-docs/raw/v3/userguide/assets/img/catalog/catalog_product.png[width=960,align="center"]
  
  There are two choices (illustrated above):
  
  
negative.code: 
  This rule uses the Phase Context and is used to specify when a cancellation should occur.
  
  image:https://github.com/killbill/killbill-docs/raw/v3/userguide/assets/img/catalog/catalog_cancellation_timing.png[width=550,align="center"]
  
  There are two options (illustrated above):
  
  