The sequence of events depends on the event type. 
               	 
            
 
            	 
             
               		
               - The 
                  		  Establishing Communications sequence of events occurs when you first connect to an 
                  		  Enterprise Server for .NET CICS region, for example to display the opening screen. 
                  		
               
- The 
                  		  Input Transactions sequence of events occurs when you input a transaction from your 3270 session. 
                  		
               
- The 
                  		  Scheduled Transactions sequence of events occurs when a process is triggered by a timer.