"SoftLayer_" prefix removed for readability.
The id for the chronicle record will match one to one the id for the corresponding billing item.
Type:
int
A Billing Item’s associated child billing items. This includes “floating” items that are not necessarily child billing items of this billing item.
Type:
SoftLayer_Billing_Item_Chronicle[]
The entry in the product catalog that the underlying billing item is based on.
Type:
SoftLayer_Product_Item