Resource entities can only be added to resource classes. To add a resource entity perform the following steps:
 in the row containing the class resource you want to edit, then click 
                  		  Edit Class.
 in the row containing the class resource you want to edit, then click 
                  		  Edit Class. 
                  		  
                  This opens the Class Config dialog box.
This opens the Add a Resource dialog box. For further information about the fields refer to the Resource Entity section.
The resource entity is added to the list in the Class Config dialog box.