| Value | Meaning | 
|---|---|
| success | Indicates the controller action was executed successfully.  | 
| notFound | Indicates the controller action wasn't found.  | 
| end | Indicates the response should end after executing the actions. This is useful if you're redirecting or responding with a different type of data than html such as json etc.  | 
| unauthorized | indicates the user isn't authorized for the action.  | 
Enumeration of controller statuses.