In this video, I focus on how to do proper data validation in Business Central. I have seen a lot of codes that do not follow proper validation rules and have the potential to produce invalid data.
![](https://www.hougaard.com/wp-content/uploads/2020/08/2020-07-30_19-31-49-1024x576.jpg)
And now with extensions and events, proper data validation is the key for an extension to a good app citizen.