Extending Microsoft Dynamics 365 Finance and Supply Chain Management Cookbook - Second Edition

How it works...

There isn't anything new in the first section, so we will focus on the extension part of the recipe.

The declaration is interesting. Compile-time functions such as formStr and tableStr just return a string, and are used to cause a compilation error should the element not exist. In the case of extensions, they serve a second purpose: to determine the type of the element. This is needed as forms can have the same name as a class or table.

The naming convention we used for global variables and methods results in long names, which may seem to contain unnecessary prefixes. We are not creating a new class. We are creating an extension class that augments the element referred to in the ExtensionOf attribute.

Every method and variable ...