In the last article we looked at how to setup Postman to call D365 services. We called a simple existing service. In this article I will show you how to create a custom service in D365.
Unlike calling a Data Entity which can create or retrieve data from tables, services allow us to run code within Microsoft Dynamics 365. This is very useful if for example you need to retrieve a value that is not stored in a table. Or you would like to run a process, and return whether it was successful or not.
See this article for details: