Summary

In this chapter, we saw the implementation of a real-world extension for Dynamics 365 Business Central. We defined the backend of our solution (tables) and we created the pages (the user interface) and the required business logic (codeunits and events) according to the initial needs of the business. We saw how to make our code extensible by using the Handled pattern and how to create installation and upgrade code. We also learned how to create extensions with objects and events, how to use coding rules, and how to create customizations without modifying the base code of our application.

In the next chapter, we’ll explore various possibilities to write extendable code and we’ll see how we can write a dependent extension to customize the behavior of an existing extension.

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