LogOnService.getSessionToken Method
        
 Gets a session token respresenting the specified session ID from the server.
 
         
        Parameters
        
            - sessionId
            
 
            - 
                
Type: Guid
The ID of the session for which to create the token. 
            - tokenLifetime
            
 
            - 
                
Type: String
(optional) The amount of time for which the token should be valid as a .NET TimeSpan in string format (e.g., "00:00:15").
Optional: True 
        
        Return Value
        
Type: jQuery.Promise
        
Value: String
        
A promise object that is resolved when the call is complete.
 If successful, the session token is returned.