Developing Codeunits in Dynamics 365 Business Central

To build powerful extensions in Dynamics 365 Business Central, you must know how to organize your custom business logic effectively. Codeunits are the fundamental building blocks of AL development, allowing you to write clean, reusable, and maintainable code. This text-based course guides you through the core concepts of AL development, showing you how to design your own codeunits from scratch. You will transition from understanding basic programming structures to writing custom functions, handling variables, and executing your code within the application ecosystem. What you'll learn: Understand the fundamental structure and purpose of codeunits in AL programming; Create custom codeunits and define structured variables and parameters; Develop reusable functions and learn how to call them from other objects; Apply modern AL development best practices for clean and performant code; Implement event publishers and subscribers within codeunits for modular design. You will start with key terminology and foundational definitions before moving on to step-by-step written guides and code examples that demonstrate how to implement real-world business logic. This course is designed for aspiring developers and IT professionals new to Business Central customization, with no prior AL programming experience required. Start reading today to build a solid foundation in Business Central development.