Chapter 3 Authentication for FortiOS 5.0 : Examples and Troubleshooting : RADIUS SSO example : Creating a RADIUS SSO user group
  
Creating a RADIUS SSO user group
To define a local user group for RADIUS SSO
1. Go to User & Device > User > User Groups and select Create New.
2. Enter a Name for the user group.
3. In Type, select RADIUS Single Sign-On (RSSO).
4. In RADIUS Attribute Value, enter the name of the RADIUS user group this local user group represents.
5. Select OK.