By Clicking Entity in the menu bar we can able to create the entity
or right click the modeling section and select Entity option. This is another way to create the entity.
Do you mean this button?
If so, you'll be able to add entities in other modules that aren't read-only. You cannot add new entities in the System module.
right click anywhere in your domain model
Thanks for reply. I am looking for below option to be enabled. But it is not