Shopee's unique identifier for an add on deal activity
Optionaladd_Title of the add on deal
Optionalend_The time when add on deal activity end
Optionalper_Number of gifts that buyers can get
Optionalpromotion_Max number of add-on products that a customer can purchase per order
Optionalpurchase_The minimum purchase amount that needs to be met to buy the gift with min spend
Optionalstart_The time when add on deal activity start
Optionalsub_The order of sub items
Parameters for updating an add-on deal