Adding Values for Enumeration Type 
Prerequisites
You need to create the enumeration type in the Rules Composer.
For more information, see Creating and Editing an Enumeration Type
Procedure
In the Rules Navigator view, expand the project node and select Enumeration Types.
The enumeration types open in the Editor Window.
Choose New.
In the Add Enumerated Data dialog box that appears, enter the value.
Choose Save.
The value appears in the table under Enumerated Data column.