Side by side comparison of extension approach in Microsoft Dynamics 365 Finance and Operations apps

Event Handlers (broadcast/non-sequential)

Delegates (Sequential/Controlled trigger)

Plugins

Framework/Standard

Platform defined

Latest eventing approach for all extension purpose

Events node in VS Application explorer (design mode)

Intentional hooks defined in application

Purpose built (similar to events) to access functionality from lower package to elements in higher package (e.g. AppPlatform accessing something in AppSuite)

Class Factory pattern to alter base functionality using abstract classes or interfaces.

Only for code.

Pre/Post (AX 2012 XPP events on base methods)

Application defined

(for backward compatibility)

*: To chain events, one can create all of them in a single class and list them sequentially. (in multi-developer environment would need code merging as each developer needs to create their own objects)