HTTP parameter
The parameter is described in the table below.
|  
					  Parameter  |  
				   
					  Location  |  
				   
					  Description  |  
				
|---|---|---|
|  
					   
						  |  
				   
					   
						  |  
				   
					  The optional parameter that retrieves the session given by a
						previous call to 
						 Action: if there is a session mismatch, the Push API server refuses the command and returns an exception.  |