Auth::setAuthData() -- store extra information with the Auth session
Description
     This function allows the registration of extra information to be stored
     allowing with the authentication data.
    
Parameter
     
- string
        $name
         
         the name of the data field
        
- mixed
        $value
 
         the value of the data field
        
- boolean
        $overwrite
 
         whether to overwrite the value of the data field if it already
         exists.
        
 
    Note
This function can not be called
statically.