Update a customer group with either a store group relation or a percentage discount.
App slug
Team slug
Customer Group ID
customer group details
Customer groups either have discount or a store group. Both discountPercentage and discountPercentageDecimals are required for discount.
Customer groups either have discount or a store group. Both discountPercentage and discountPercentageDecimals are required for discount.
Customer groups either have discount or a store group.