apply_filters( 'woocommerce_coupon_error', string $error_message, int $error_code, WC_Coupon $coupon )

Filter the coupon error message.

Description Description

Used By
Used By	Description
includes/class-wc-discounts.php: WC_Discounts::is_coupon_valid()	Check if a coupon is valid.
includes/class-wc-coupon.php: WC_Coupon::get_coupon_error()	Map one of the WC_Coupon error codes to a message string.
includes/class-wc-coupon.php: WC_Coupon::get_generic_coupon_error()	Map one of the WC_Coupon error codes to an error string.

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