This course provides information and demonstrations about the development environment and basic objects of Microsoft Dynamics 365 Business Central. Students will explore Visual Studio Code and the fundamentals of building Extensions in Microsoft Dynamics 365 Business Central. The course starts with introducing essential knowledge about Visual Studio Code and continues with explaining the Table object and how to make Table Extensions. The course then continues with explaining the Page Object and how to make Page Extensions. This course is a starting point for students who want to learn how to customize Microsoft Dynamics 365 Business Central.