The entities are used to model and manage business data in Dynamics 365 Customer Engagement (on-premises). For example, entities such as account, campaign, and incident (case) can be used to track and support sales, marketing, and service activities. … You cannot delete or customize system entities.

What are the different entities in a CRM system?

There are three main types of entities: system, business, and custom. In Dynamics CRM, system entities handle internal processes such as workflows. It is important to note that system entities cannot be deleted or customized.

What is entity reference in CRM?

An entity reference is a reference to an entity in a CRM system. The difference between regular fields and entity reference fields is that these are recognized by CRM as pointing to another record in CRM. This is very useful inside CRM.