The following steps demonstrate how to edit role assignments for a specific role. 
      In this example, Test Role 1 is used, which was previously defined in Creating
          new roles.
    
    - 
        On the main navigation bar, click the (gear) icon.
      
- 
        In the drop-down menu, click Manage Roles.
        
      
- 
        In the Manage Roles interface, find the role you wish to edit
          and click the (edit) icon next to the respective role.
        You can use the  Search Role box to find the role you want to
            edit.   The Role Detail interface is displayed. 
- 
        Click the Members tab and proceed to editing member roles
          through one of the following procedures:
        
          
            - Assigning roles to a single user
- Assigning roles to user groups
- Assigning multiple roles to multiple users