Editing a role
How to edit a role in Ranger.
- Select Settings > Roles.
- 
            Click the Roles tab.
         Users/Groups/Roles displays the Roles tab active.  
- 
            Click the role name to edit.
            The selected role opens for editing in Role Detail.  
- 
            Add users, groups and roles to the existing role, then click
                  Save.
            If the role was created in Hive, you can add other users in Hive using the GRANT command:GRANT ROLE external_hr_role_01 TO USER hr_user02; 
