- Authentication: The user must be authenticated to perform this action.
- Admin privileges: The user has to have administrative privileges to perform this
    action.
  | Param name | Description | 
|---|---|
| 
      role  optional , nil allowed  | 
    
      
         Validations: 
  | 
  
| 
      role[name]  optional  | 
    
      
 Name of the role. Validations: 
  | 
  
| 
      role[role_matrix]  optional  | 
    
      
 Capabilities of the role. Validations: 
  |