Microsoft Dynamics 365 Business Central

💡 A Simple Guide for Beginners If you're learning Microsoft Dynamics 365 Business Central , one concept that often feels confusing at first is Interfaces . But don’t worry — let’s break it down in simple, real-world language so you can understand not just what interfaces are, but why they matter . 🧠 The Problem We Face in Real Projects Imagine you’re building a payment system in Business Central. Your company accepts: 💳 Credit Card 📱 UPI 🏦 Bank Transfer At first, a simple approach looks like this: if PaymentType = 'Card' then     ProcessCard() else if PaymentType = 'UPI' then     ProcessUPI() else if PaymentType = 'Bank' then     ProcessBank(); ✅ Works fine… for now. 🚨 But Here’s What Happens Later As your system grows: New payment types get added (PayPal, Wallet, etc.) Code becomes longer and harder to read Every change requires modifying existing logic Risk of breaking existing functionality increases 👉 This is where interfaces come to...