This blog was written a while back! If you’re trying to integrate Dynamics 365 ERP and CRM, please refer the following document:
Dynamics 365 unifies CRM and ERP capabilities into applications that work seamlessly together across different areas of a business. Two main components of Dynamics 365 are CRM and ERP applications.
For customers who use both CRM and ERP applications (for example, Dynamics 365 for Sales and Dynamics 365 for operations), it is important that these applications integrate and work together and one option for customers/partners is to use Microsoft Flow and Common data service (CDS)