To add a new parameter to an execution plan: 
                  		
               
 
               	 
              
            	 
            For configuration testing, you can create multiple execution plans that include the same tests and you can then define different
               configurations in the 
               		Parameters page. Parameters from different tests that have the same name and type are displayed only once in the page. If multiple parameters
               from different tests have the same name, you can only override one of these parameters.