Setting a maximum discount amount for promotions on an e-commerce platform is crucial for maintaining profitability and protecting the business's bottom line. It helps to prevent excessive discounting that could erode margins and devalue products. Additionally, it ensures consistency in pricing strategy and prevents potential revenue loss. Moreover, it fosters customer trust by establishing clear and fair discounting practices, enhancing brand reputation and loyalty. Lastly, it enables effective budget management by limiting the financial impact of promotional activities while still incentivizing purchases. Implementing a "maximum discount amount" customization on core Magento can significantly enhance the platform's flexibility and control over promotional activities. Please follow the below steps to add this feature: Add a new column on salesrule table using db_schema.xml <schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNames