Determine if the active client session has been authenticated. 
         
        Syntax
        
          object.IsAuthenticated 
         
        Remarks
        
          The IsAuthenticated property returns True if the active 
          client session has successfully authenticated with a valid username 
          and password. This property should only be accessed within an event handler such 
          as OnCommand because its value is specific to the client 
          session that raised the event. This property will always return a 
          value of False outside of an event handler. 
         
        Data Type
        
          Boolean 
         
        See Also
        
          
            IsAnonymous Property, 
            IsListening Property,
            Authenticate Method,
            OnAuthenticate Event
           
         
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