matchIsNewsletterRecipient example

public function match(RuleScope $scope): bool
    {
        if (!$scope instanceof CheckoutRuleScope) {
            return false;
        }

        if (!$customer = $scope->getSalesChannelContext()->getCustomer()) {
            return false;
        }

        if ($this->isNewsletterRecipient) {
            return $this->matchIsNewsletterRecipient($customer, $scope->getSalesChannelContext());
        }

        return !$this->matchIsNewsletterRecipient($customer, $scope->getSalesChannelContext());
    }

    public function getConstraints(): array
    {
        return [
            'isNewsletterRecipient' => RuleConstraints::bool(true),
        ];
    }