The following describes the base schema for an Assembler request event.
               The 
		  RequestEvent class includes getter and setter methods
		  for each of these attributes. 
		
| 
                            Attribute  | 
                            Type  | 
                            Description  | 
|---|---|---|
| 
                            
                                | 
                            
                                | 
                            The unique identifier for a request. To retrieve this
					 information, you must register an implementation of 
					   | 
| 
                            
                                | 
                            
                                | 
                            The unique identifier for a browser session. To retrieve this
					 information, you must register an implementation of 
					   | 
| 
                            
                                | 
                            
                                | 
                            The time (in milliseconds from POSIX Epoch) that the 
					   | 
| 
                            
                                | 
                            
                                | 
                            The time (in milliseconds from POSIX Epoch) that the 
					   | 

