One of the strengths of the Microsoft Dynamics 365 platform is its server-side extensibility. The out-of-the-box functionality of Dynamics CRM is great, but most enterprise implementations require further logic to validate, automate, or integrate.

At the time of writing this book, Dynamics 365 provides three different kinds of server-side extensibility: plugins, custom workflow activities, and custom actions. Each of them fits a specific set of scenarios.