The properties to be used by a region are defined in the region start-up file. To do this: 
               	 
            
 
            	 
             
               		 
               		  
               - Open the startup file of the region you are configuring, with the Region Startup File editor. See 
                  			 To Edit a CICS Region Configuration or 
                  			 To Edit a Region Startup File Associated with a JES Region 
                  		  
               
- In the 
                  			 Results pane, expand the 
                  			 Region node and select the 
                  			 Properties node. 
                  		  
                  A grid will be displayed in which existing name/value pairs are displayed, and where new ones can be defined. 
                     			 
                   
- Enter your name/value pairs in the grid. 
                  		  
               
- Choose, or click the 
                  			 Save icon in the toolbar to save the file. 
                  		  
               
               
               		You must cold-start the region for the changes to take effect.