post https://{accountName}.{environment}.com.br/api/checkout/pub/orderForm//attachments/merchantContextData
This endpoint is used for the merchant to add to the cart any relevant information that is related to the context of a specific order.
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.
This request has a time out of 12 seconds.