             }
         }
         
-        if let value = self.created {
+        if let value = self.availableOn {
             if let value = value.object {
                 for (key, value) in value {
                     node["available_on[\(key)]"] = value

            node["plan"] = value
        }
        
        return node
    }
    

    */
    public var balanceType: BalanceType?
    
    /**
     The status of the subscriptions to retrieve.
     */
