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Magento 2 coupon code restrict for only some associated simple products

If you want restrict coupon code for some associate simple products 
Like for example  if you have one configurable product and it associated 5 simple products(associate products). I created coupon code to apply only 3 simple product if i add separate simple products it work but when if add configurable it won't work.
if i add 5th product to cart it work .if i add configurable products it won't work.
Configurable product :: testconfig simple products :: 1,2,3,4,5.If you  want use your coupon need to apply 4 and 5 product only. You need to change the below file.
Magento/Quote/Model/CouponManagement.php
override this file into your custom module using di.xml and change the below function
 
public function set($cartId, $couponCode)
Before adding customization look like below 
public function set($cartId, $couponCode)
    {
        /** @var  \Magento\Quote\Model\Quote $quote */
        $quote = $this->quoteRepository->getActive($cartId);
        if (!$quote->getItemsCount()) {
            throw new NoSuchEntityException(__('The "%1" Cart doesn\'t contain products.', $cartId));
        }
        if (!$quote->getStoreId()) {
            throw new NoSuchEntityException(__('Cart isn\'t assigned to correct store'));
        }
        $quote->getShippingAddress()->setCollectShippingRates(true);
        try {
            $quote->setCouponCode($couponCode);
            $this->quoteRepository->save($quote->collectTotals());
        } catch (\Exception $e) {
            throw new CouldNotSaveException(
                __("The coupon code couldn't be applied. Verify the coupon code and try again.")
            );
        }
        if ($quote->getCouponCode() != $couponCode) {
            throw new NoSuchEntityException(__("The coupon code isn't valid. Verify the code and try again."));
        }
        return true;
    }
I did some changes like below
public function set($cartId, $couponCode)
    {
        $couponCode = trim($couponCode);
        /** @var  \Magento\Quote\Model\Quote $quote */
        $quote = $this->quoteRepository->getActive($cartId);
        if (!$quote->getItemsCount()) {
            throw new NoSuchEntityException(__('Cart %1 doesn\'t contain products', $cartId));
        }
        $quote->getShippingAddress()->setCollectShippingRates(true);
        $items = $quote->getAllItems();
        $skuslist = array();
        $customskulist = array("1","2","3","4","5");
        foreach ($items as $item) {
            if (!in_array($item->getSku(), $skuslist, true)) {
                array_push($skuslist, $item->getSku());
            }
        }
        $containsSearch = count(array_intersect($skuslist, $customskulist)) == count($skuslist);
        $ruleId =   $this->coupon->loadByCode($couponCode)->getRuleId();
       
        if(strtoupper($couponCode) == "SAVE10" && $containsSearch == "" && $ruleId == 22){
            throw new NoSuchEntityException(__('Coupon code is not valid 456'));
            return FALSE;
        }else{
             try {
                $quote->setCouponCode($couponCode);
                $this->quoteRepository->save($quote->collectTotals());
            } catch (\Exception $e) {
                throw new CouldNotSaveException(__('Could not apply coupon code'));
            }
        }
        if ($quote->getCouponCode() != $couponCode) {
            throw new NoSuchEntityException(__('Coupon code is not valid123'));
        }
        return true;
    }

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