Promotion Coupon Validator

Validates promotion coupon codes and removes invalid ones from the cart.

Overview

The Promotion Coupon Validator checks that all coupon codes applied to the cart are still valid. Invalid coupon codes are automatically removed from the cart, and a validation error is returned to notify the user.

Identifier

Property	Value
Connector ID	`promotionCouponValidator`
Validation Type	Discount

Behavior

Skips validation entirely for replacement orders (carts tagged with the replacement order tag)
If the cart has no coupon codes, validation passes
Validates each coupon code against the promotion coupon service
Collects all invalid coupon codes
If any invalid codes are found:
- Removes them from the cart
- Marks the cart entity as updated
- Returns a validation error

Error messages

Condition	Translation Key
Invalid coupon codes found	`CouponCodeValidatorErrorMessage`

Configuration

No additional properties required.

{
  "name": "promotionCouponValidator",
  "implementations": ["IValidator"],
  "disableStandardErrorPolicy": false
}