Microsoft Dynamics 365 and Power Platform Library

http://www.erpsoftwareblog.com/2017/06/dynamics-365-tutorials-help-you-get-up-and-running-fast/

Another most awaiting Extensibility feature (Chain of Command) is going to come with one of the next platform updates.  This enables you to call/use protected members and methods without making them hookable and using pre/post event handlers.  More details are here  https://blogs.msdn.microsoft.com/mfp/2017/07/04/extensible-x-chain-of-command/  and also here  https://roadmap.dynamics.com/?i=296a1c89-ce4e-e711-80c0-00155d2433a1#.WVw1llbSw-M.linkedin Stay tuned on above road map site to find more on this feature.