Your account may create
apps, which contain custom fields, through the Update orderForm configuration request. The values of these custom fields can then be updated by this request.
To do that, you need to inform the ID of the app you created with the configuration API (
In the body of the request, for each field created in this app (
appFieldName) you will inform a value (
The orderForm is the data structure which represents a shopping cart and contains all information pertaining to it. Hence, the
orderFormId is the identification code of a given cart.