AccountRegistrationService.denyRequest Method
        
 Denies a registration request.
 
         
        Parameters
        
            - requestId
            
 
            - 
                
Type: String
The request ID to deny. 
            - sendResponseMessage
            
 
            - 
                
Type: String
Whether to send a response message or not. 
            - additionalMessage
            
 
            - 
                
Type: String
(optional) The additional message.
Optional: True 
        
        Return Value
        
Type: jQuery.Promise
        
A promise object that is resolved when the call is complete.