Go to the List of Entities window. (Archives > Entity types), click on the "New Entity Type" button. Type the name of the entity in the dialog that appears (fig. 3). Click on the "Apply" button.

Go to the List of Entities window. (Archives > Entity types), click on the "New Entity Type" button. Type the name of the entity in the dialog that appears (fig. 3). Click on the "Apply" button.