startDate
The startDate element is a optional child of the subscription element, which specifies the date the recurring billing should begin. It is also an optional child of both the createAddOn and createDiscount element, where it specifies either the starting date of the Add On charge or the starting date of the discount.
Type = Date; Format = YYYY-MM-DD
Parent Elements:
subscription, createAddOn, createDiscount, updateAddOn, updateDiscount
Attributes:
None
Child Elements:
None