Parameters for UpdatePromotion
Alternative name to be displayed on invoices and checkout.
Whether or not this promotion will automatically be applied on checkout
Which mechanism will be used to deactivate the promotion
The amount (in cents) after which the promotion should get deactivated on a customer
After how many times this promotion is "used up" for a customer
The title of the promotion as it will appear on invoices and in the portal.
The percentage of discount that this promotion gives.