How to Synchronize Increment Quantity between SAP and Magento 2

In our earlier article, we saw how minimum order quantity can be synced from SAP to Magento. An advanced business case is that certain products can only be sold in certain increment quantities. For example, eggs can be sold in dozens (hence multiples of 12). There could also be other products which make sense to sell in certain multiples. Having an integrated order entry business rule saves time and effort and streamlines the order processing.